* [hverkuil-media-tree:cec 352/417] drivers/media/platform/renesas/rcar_jpu.c:1551:17: warning: Value stored to 'error' during its initialization is never read [clang-analyzer-deadcode.DeadStores]
@ 2022-03-18 6:08 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-03-18 6:08 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 26592 bytes --]
CC: llvm(a)lists.linux.dev
CC: kbuild-all(a)lists.01.org
BCC: lkp(a)intel.com
CC: linux-kernel(a)vger.kernel.org
TO: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: linux-media(a)vger.kernel.org
CC: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
tree: git://linuxtv.org/hverkuil/media_tree.git cec
head: 8b429dac2d98bd585ff5af37042d1d9bb104a2eb
commit: ee4a77a32b39064fdab0aa2b36bbd35ebf57e077 [352/417] media: platform: place Renesas drivers on a separate dir
:::::: branch date: 21 hours ago
:::::: commit date: 4 days ago
config: riscv-randconfig-c006-20220317 (https://download.01.org/0day-ci/archive/20220318/202203181456.719UtS65-lkp(a)intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a6ec1e3d798f8eab43fb3a91028c6ab04e115fcb)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
git remote add hverkuil-media-tree git://linuxtv.org/hverkuil/media_tree.git
git fetch --no-tags hverkuil-media-tree cec
git checkout ee4a77a32b39064fdab0aa2b36bbd35ebf57e077
# save the config file to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
clang-analyzer warnings: (new ones prefixed by >>)
Suppressed 2 warnings (2 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
2 warnings generated.
Suppressed 2 warnings (2 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
2 warnings generated.
Suppressed 2 warnings (2 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
2 warnings generated.
Suppressed 2 warnings (2 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
2 warnings generated.
Suppressed 2 warnings (2 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
2 warnings generated.
Suppressed 2 warnings (2 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
14 warnings generated.
drivers/i2c/busses/i2c-qcom-geni.c:170:6: warning: Value stored to 'm_cmd' during its initialization is never read [clang-analyzer-deadcode.DeadStores]
u32 m_cmd = readl_relaxed(gi2c->se.base + SE_GENI_M_CMD0);
^~~~~
drivers/i2c/busses/i2c-qcom-geni.c:170:6: note: Value stored to 'm_cmd' during its initialization is never read
u32 m_cmd = readl_relaxed(gi2c->se.base + SE_GENI_M_CMD0);
^~~~~
drivers/i2c/busses/i2c-qcom-geni.c:171:6: warning: Value stored to 'm_stat' during its initialization is never read [clang-analyzer-deadcode.DeadStores]
u32 m_stat = readl_relaxed(gi2c->se.base + SE_GENI_M_IRQ_STATUS);
^~~~~~
drivers/i2c/busses/i2c-qcom-geni.c:171:6: note: Value stored to 'm_stat' during its initialization is never read
u32 m_stat = readl_relaxed(gi2c->se.base + SE_GENI_M_IRQ_STATUS);
^~~~~~
drivers/i2c/busses/i2c-qcom-geni.c:172:6: warning: Value stored to 'geni_s' during its initialization is never read [clang-analyzer-deadcode.DeadStores]
u32 geni_s = readl_relaxed(gi2c->se.base + SE_GENI_STATUS);
^~~~~~
drivers/i2c/busses/i2c-qcom-geni.c:172:6: note: Value stored to 'geni_s' during its initialization is never read
u32 geni_s = readl_relaxed(gi2c->se.base + SE_GENI_STATUS);
^~~~~~
drivers/i2c/busses/i2c-qcom-geni.c:173:6: warning: Value stored to 'geni_ios' during its initialization is never read [clang-analyzer-deadcode.DeadStores]
u32 geni_ios = readl_relaxed(gi2c->se.base + SE_GENI_IOS);
^~~~~~~~
drivers/i2c/busses/i2c-qcom-geni.c:173:6: note: Value stored to 'geni_ios' during its initialization is never read
u32 geni_ios = readl_relaxed(gi2c->se.base + SE_GENI_IOS);
^~~~~~~~
drivers/i2c/busses/i2c-qcom-geni.c:178:3: warning: Value stored to 'rx_st' is never read [clang-analyzer-deadcode.DeadStores]
rx_st = readl_relaxed(gi2c->se.base + SE_DMA_RX_IRQ_STAT);
^
drivers/i2c/busses/i2c-qcom-geni.c:178:3: note: Value stored to 'rx_st' is never read
drivers/i2c/busses/i2c-qcom-geni.c:179:3: warning: Value stored to 'tx_st' is never read [clang-analyzer-deadcode.DeadStores]
tx_st = readl_relaxed(gi2c->se.base + SE_DMA_TX_IRQ_STAT);
^
drivers/i2c/busses/i2c-qcom-geni.c:179:3: note: Value stored to 'tx_st' is never read
drivers/i2c/busses/i2c-qcom-geni.c:181:3: warning: Value stored to 'rx_st' is never read [clang-analyzer-deadcode.DeadStores]
rx_st = readl_relaxed(gi2c->se.base + SE_GENI_RX_FIFO_STATUS);
^
drivers/i2c/busses/i2c-qcom-geni.c:181:3: note: Value stored to 'rx_st' is never read
drivers/i2c/busses/i2c-qcom-geni.c:182:3: warning: Value stored to 'tx_st' is never read [clang-analyzer-deadcode.DeadStores]
tx_st = readl_relaxed(gi2c->se.base + SE_GENI_TX_FIFO_STATUS);
^
drivers/i2c/busses/i2c-qcom-geni.c:182:3: note: Value stored to 'tx_st' is never read
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
7 warnings generated.
drivers/media/platform/qcom/venus/venc.c:877:3: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores]
ret = hfi_session_set_property(inst, ptype, &en);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/qcom/venus/venc.c:877:3: note: Value stored to 'ret' is never read
ret = hfi_session_set_property(inst, ptype, &en);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
7 warnings generated.
>> drivers/media/platform/renesas/rcar_jpu.c:1551:17: warning: Value stored to 'error' during its initialization is never read [clang-analyzer-deadcode.DeadStores]
unsigned char error = jpu_read(jpu, JCDERR) & JCDERR_MASK;
^~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/renesas/rcar_jpu.c:1551:17: note: Value stored to 'error' during its initialization is never read
unsigned char error = jpu_read(jpu, JCDERR) & JCDERR_MASK;
^~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
6 warnings generated.
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
8 warnings generated.
drivers/media/dvb-frontends/drxd_hard.c:858:9: warning: The left expression of the compound assignment is an uninitialized value. The computed value will also be garbage [clang-analyzer-core.uninitialized.Assign]
Value &= FE_AG_REG_GC1_AGC_DAT__M;
^
drivers/media/dvb-frontends/drxd_hard.c:2761:8: note: Calling 'ReadIFAgc'
res = ReadIFAgc(state, &value);
^~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/dvb-frontends/drxd_hard.c:855:6: note: Assuming field 'ctrlMode' is not equal to AGC_CTRL_OFF
if (state->if_agc_cfg.ctrlMode != AGC_CTRL_OFF) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/dvb-frontends/drxd_hard.c:855:2: note: Taking true branch
if (state->if_agc_cfg.ctrlMode != AGC_CTRL_OFF) {
^
drivers/media/dvb-frontends/drxd_hard.c:856:3: note: 'Value' declared without an initial value
u16 Value;
^~~~~~~~~
drivers/media/dvb-frontends/drxd_hard.c:857:12: note: Calling 'Read16'
status = Read16(state, FE_AG_REG_GC1_AGC_DAT__A, &Value, 0);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/dvb-frontends/drxd_hard.c:232:2: note: Taking true branch
if (i2c_read(state->i2c, adr, mm1, 4, mm2, 2) < 0)
^
drivers/media/dvb-frontends/drxd_hard.c:233:3: note: Returning without writing to '*data'
return -1;
^
drivers/media/dvb-frontends/drxd_hard.c:857:12: note: Returning from 'Read16'
status = Read16(state, FE_AG_REG_GC1_AGC_DAT__A, &Value, 0);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/dvb-frontends/drxd_hard.c:858:9: note: The left expression of the compound assignment is an uninitialized value. The computed value will also be garbage
Value &= FE_AG_REG_GC1_AGC_DAT__M;
~~~~~ ^
drivers/media/dvb-frontends/drxd_hard.c:2259:4: warning: Value stored to 'operationMode' is never read [clang-analyzer-deadcode.DeadStores]
operationMode |= SC_RA_RAM_OP_AUTO_RATE__M;
^
drivers/media/dvb-frontends/drxd_hard.c:2259:4: note: Value stored to 'operationMode' is never read
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
8 warnings generated.
drivers/media/dvb-frontends/drxk_hard.c:1378:2: warning: Value stored to 'status' is never read [clang-analyzer-deadcode.DeadStores]
status = write16(state, SIO_OFDM_SH_OFDM_RING_ENABLE__A, desired_ctrl);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/dvb-frontends/drxk_hard.c:1378:2: note: Value stored to 'status' is never read
status = write16(state, SIO_OFDM_SH_OFDM_RING_ENABLE__A, desired_ctrl);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/dvb-frontends/drxk_hard.c:4172:2: warning: Value stored to 'fec_rs_prescale' is never read [clang-analyzer-deadcode.DeadStores]
fec_rs_prescale = 1;
^ ~
drivers/media/dvb-frontends/drxk_hard.c:4172:2: note: Value stored to 'fec_rs_prescale' is never read
fec_rs_prescale = 1;
^ ~
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
12 warnings generated.
drivers/media/tuners/xc5000.c:645:2: warning: 3rd function call argument is an uninitialized value [clang-analyzer-core.CallAndMessage]
dprintk(1, "*** ADC envelope (0-1023) = %d\n", adc_envelope);
^
drivers/media/tuners/xc5000.c:37:2: note: expanded from macro 'dprintk'
printk(KERN_INFO "%s: " fmt, "xc5000", ## arg)
^
include/linux/printk.h:446:44: note: expanded from macro 'printk'
#define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
^
drivers/media/tuners/xc5000.c:1286:2: note: Assuming 'debug' is < 1
dprintk(1, "%s()\n", __func__);
^
drivers/media/tuners/xc5000.c:36:41: note: expanded from macro 'dprintk'
#define dprintk(level, fmt, arg...) if (debug >= level) \
^~~~~~~~~~~~~~
drivers/media/tuners/xc5000.c:1286:2: note: Taking false branch
vim +/error +1551 drivers/media/platform/renesas/rcar_jpu.c
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1489
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1490 /*
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1491 * ============================================================================
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1492 * IRQ handler
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1493 * ============================================================================
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1494 */
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1495 static irqreturn_t jpu_irq_handler(int irq, void *dev_id)
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1496 {
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1497 struct jpu *jpu = dev_id;
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1498 struct jpu_ctx *curr_ctx;
2d7007153f0c9b1 drivers/media/platform/rcar_jpu.c Junghak Sung 2015-09-22 1499 struct vb2_v4l2_buffer *src_buf, *dst_buf;
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1500 unsigned int int_status;
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1501
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1502 int_status = jpu_read(jpu, JINTS);
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1503
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1504 /* ...spurious interrupt */
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1505 if (!((JINTS_TRANSF_COMPL | JINTS_PROCESS_COMPL | JINTS_ERR) &
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1506 int_status))
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1507 return IRQ_NONE;
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1508
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1509 /* ...clear interrupts */
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1510 jpu_write(jpu, ~(int_status & JINTS_MASK), JINTS);
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1511 if (int_status & (JINTS_ERR | JINTS_PROCESS_COMPL))
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1512 jpu_write(jpu, JCCMD_JEND, JCCMD);
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1513
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1514 spin_lock(&jpu->lock);
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1515
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1516 if ((int_status & JINTS_PROCESS_COMPL) &&
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1517 !(int_status & JINTS_TRANSF_COMPL))
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1518 goto handled;
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1519
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1520 curr_ctx = v4l2_m2m_get_curr_priv(jpu->m2m_dev);
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1521 if (!curr_ctx) {
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1522 /* ...instance is not running */
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1523 dev_err(jpu->dev, "no active context for m2m\n");
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1524 goto handled;
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1525 }
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1526
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1527 src_buf = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx);
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1528 dst_buf = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx);
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1529
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1530 if (int_status & JINTS_TRANSF_COMPL) {
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1531 if (curr_ctx->encoder) {
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1532 unsigned long payload_size = jpu_read(jpu, JCDTCU) << 16
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1533 | jpu_read(jpu, JCDTCM) << 8
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1534 | jpu_read(jpu, JCDTCD);
2d7007153f0c9b1 drivers/media/platform/rcar_jpu.c Junghak Sung 2015-09-22 1535 vb2_set_plane_payload(&dst_buf->vb2_buf, 0,
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1536 payload_size + JPU_JPEG_HDR_SIZE);
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1537 }
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1538
2d7007153f0c9b1 drivers/media/platform/rcar_jpu.c Junghak Sung 2015-09-22 1539 dst_buf->field = src_buf->field;
d6dd645eae76eeb drivers/media/platform/rcar_jpu.c Junghak Sung 2015-11-03 1540 dst_buf->vb2_buf.timestamp = src_buf->vb2_buf.timestamp;
2d7007153f0c9b1 drivers/media/platform/rcar_jpu.c Junghak Sung 2015-09-22 1541 if (src_buf->flags & V4L2_BUF_FLAG_TIMECODE)
2d7007153f0c9b1 drivers/media/platform/rcar_jpu.c Junghak Sung 2015-09-22 1542 dst_buf->timecode = src_buf->timecode;
2d7007153f0c9b1 drivers/media/platform/rcar_jpu.c Junghak Sung 2015-09-22 1543 dst_buf->flags = src_buf->flags &
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1544 (V4L2_BUF_FLAG_TIMECODE | V4L2_BUF_FLAG_KEYFRAME |
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1545 V4L2_BUF_FLAG_PFRAME | V4L2_BUF_FLAG_BFRAME |
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1546 V4L2_BUF_FLAG_TSTAMP_SRC_MASK);
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1547
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1548 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1549 v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1550 } else if (int_status & JINTS_ERR) {
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 @1551 unsigned char error = jpu_read(jpu, JCDERR) & JCDERR_MASK;
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1552
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1553 dev_dbg(jpu->dev, "processing error: %#X: %s\n", error,
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1554 error_to_text[error]);
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1555
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1556 v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1557 v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1558 }
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1559
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1560 jpu->curr = NULL;
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1561
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1562 /* ...reset JPU after completion */
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1563 jpu_write(jpu, JCCMD_SRST, JCCMD);
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1564 spin_unlock(&jpu->lock);
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1565
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1566 v4l2_m2m_job_finish(jpu->m2m_dev, curr_ctx->fh.m2m_ctx);
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1567
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1568 return IRQ_HANDLED;
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1569
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1570 handled:
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1571 spin_unlock(&jpu->lock);
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1572 return IRQ_HANDLED;
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1573 }
2c42cdbaec56a95 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 1574
:::::: The code at line 1551 was first introduced by commit
:::::: 2c42cdbaec56a9565a2717b450506150c9c55103 [media] V4L2: platform: Add Renesas R-Car JPEG codec driver
:::::: TO: Mikhail Ulyanov <mikhail.ulyanov@cogentembedded.com>
:::::: CC: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
---
0-DAY CI Kernel Test Service
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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2022-03-18 6:08 [hverkuil-media-tree:cec 352/417] drivers/media/platform/renesas/rcar_jpu.c:1551:17: warning: Value stored to 'error' during its initialization is never read [clang-analyzer-deadcode.DeadStores] kernel test robot
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