From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild@lists.01.org
Subject: [chrome-os:chromeos-5.4 12/42] drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_if.c:580:2: warning: Assignment of function parameter has no effect outside the function. Did you forget dereferencing
Date: Wed, 24 Mar 2021 11:17:26 +0300 [thread overview]
Message-ID: <20210324081726.GO1667@kadam> (raw)
[-- Attachment #1: Type: text/plain, Size: 4074 bytes --]
tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.4
head: 21ca1f912dcdfbfd6818d3b1e57a106c2e82dc56
commit: 5fa56a01339db0586f27519d81aa226f1bb49f03 [12/42] FROMLIST: media: mtk-vcodec: vdec: support stateless H.264 decoding
compiler: ia64-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
cppcheck possible warnings: (new ones prefixed by >>, may not real problems)
>> drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_if.c:580:2: warning: Assignment of function parameter has no effect outside the function. Did you forget dereferencing it? [uselessAssignmentPtrArg]
pic = &ctx->picinfo;
^
vim +580 drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_if.c
5fa56a01339db0 Yunfei Dong 2021-02-26 568 static void get_pic_info(struct vdec_h264_slice_inst *inst,
5fa56a01339db0 Yunfei Dong 2021-02-26 569 struct vdec_pic_info *pic)
5fa56a01339db0 Yunfei Dong 2021-02-26 570 {
5fa56a01339db0 Yunfei Dong 2021-02-26 571 struct mtk_vcodec_ctx *ctx = inst->ctx;
5fa56a01339db0 Yunfei Dong 2021-02-26 572
5fa56a01339db0 Yunfei Dong 2021-02-26 573 ctx->picinfo.buf_w = (ctx->picinfo.pic_w + 15) & 0xFFFFFFF0;
5fa56a01339db0 Yunfei Dong 2021-02-26 574 ctx->picinfo.buf_h = (ctx->picinfo.pic_h + 31) & 0xFFFFFFE0;
5fa56a01339db0 Yunfei Dong 2021-02-26 575 ctx->picinfo.fb_sz[0] = ctx->picinfo.buf_w * ctx->picinfo.buf_h;
5fa56a01339db0 Yunfei Dong 2021-02-26 576 ctx->picinfo.fb_sz[1] = ctx->picinfo.fb_sz[0] >> 1;
5fa56a01339db0 Yunfei Dong 2021-02-26 577 inst->vsi_ctx.dec.cap_num_planes =
5fa56a01339db0 Yunfei Dong 2021-02-26 578 ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes;
5fa56a01339db0 Yunfei Dong 2021-02-26 579
5fa56a01339db0 Yunfei Dong 2021-02-26 @580 pic = &ctx->picinfo;
^^^^^^^^^^^^^^^^^^^^
no-op code. It's unclear without more context what was intended.
5fa56a01339db0 Yunfei Dong 2021-02-26 581 mtk_vcodec_debug(inst, "pic(%d, %d), buf(%d, %d)",
5fa56a01339db0 Yunfei Dong 2021-02-26 582 ctx->picinfo.pic_w, ctx->picinfo.pic_h,
5fa56a01339db0 Yunfei Dong 2021-02-26 583 ctx->picinfo.buf_w, ctx->picinfo.buf_h);
5fa56a01339db0 Yunfei Dong 2021-02-26 584 mtk_vcodec_debug(inst, "Y/C(%d, %d)", ctx->picinfo.fb_sz[0],
5fa56a01339db0 Yunfei Dong 2021-02-26 585 ctx->picinfo.fb_sz[1]);
5fa56a01339db0 Yunfei Dong 2021-02-26 586
5fa56a01339db0 Yunfei Dong 2021-02-26 587 if ((ctx->last_decoded_picinfo.pic_w != ctx->picinfo.pic_w) ||
5fa56a01339db0 Yunfei Dong 2021-02-26 588 (ctx->last_decoded_picinfo.pic_h != ctx->picinfo.pic_h)) {
5fa56a01339db0 Yunfei Dong 2021-02-26 589 inst->vsi_ctx.dec.resolution_changed = true;
5fa56a01339db0 Yunfei Dong 2021-02-26 590 if ((ctx->last_decoded_picinfo.buf_w != ctx->picinfo.buf_w) ||
5fa56a01339db0 Yunfei Dong 2021-02-26 591 (ctx->last_decoded_picinfo.buf_h != ctx->picinfo.buf_h))
5fa56a01339db0 Yunfei Dong 2021-02-26 592 inst->vsi_ctx.dec.realloc_mv_buf = true;
5fa56a01339db0 Yunfei Dong 2021-02-26 593
5fa56a01339db0 Yunfei Dong 2021-02-26 594 mtk_v4l2_debug(1, "ResChg: (%d %d) : old(%d, %d) -> new(%d, %d)",
5fa56a01339db0 Yunfei Dong 2021-02-26 595 inst->vsi_ctx.dec.resolution_changed,
5fa56a01339db0 Yunfei Dong 2021-02-26 596 inst->vsi_ctx.dec.realloc_mv_buf,
5fa56a01339db0 Yunfei Dong 2021-02-26 597 ctx->last_decoded_picinfo.pic_w,
5fa56a01339db0 Yunfei Dong 2021-02-26 598 ctx->last_decoded_picinfo.pic_h,
5fa56a01339db0 Yunfei Dong 2021-02-26 599 ctx->picinfo.pic_w, ctx->picinfo.pic_h);
5fa56a01339db0 Yunfei Dong 2021-02-26 600 }
5fa56a01339db0 Yunfei Dong 2021-02-26 601 }
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild-all@lists.01.org
Subject: [kbuild] [chrome-os:chromeos-5.4 12/42] drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_if.c:580:2: warning: Assignment of function parameter has no effect outside the function. Did you forget dereferencing
Date: Wed, 24 Mar 2021 11:17:26 +0300 [thread overview]
Message-ID: <20210324081726.GO1667@kadam> (raw)
[-- Attachment #1: Type: text/plain, Size: 4074 bytes --]
tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.4
head: 21ca1f912dcdfbfd6818d3b1e57a106c2e82dc56
commit: 5fa56a01339db0586f27519d81aa226f1bb49f03 [12/42] FROMLIST: media: mtk-vcodec: vdec: support stateless H.264 decoding
compiler: ia64-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
cppcheck possible warnings: (new ones prefixed by >>, may not real problems)
>> drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_if.c:580:2: warning: Assignment of function parameter has no effect outside the function. Did you forget dereferencing it? [uselessAssignmentPtrArg]
pic = &ctx->picinfo;
^
vim +580 drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_if.c
5fa56a01339db0 Yunfei Dong 2021-02-26 568 static void get_pic_info(struct vdec_h264_slice_inst *inst,
5fa56a01339db0 Yunfei Dong 2021-02-26 569 struct vdec_pic_info *pic)
5fa56a01339db0 Yunfei Dong 2021-02-26 570 {
5fa56a01339db0 Yunfei Dong 2021-02-26 571 struct mtk_vcodec_ctx *ctx = inst->ctx;
5fa56a01339db0 Yunfei Dong 2021-02-26 572
5fa56a01339db0 Yunfei Dong 2021-02-26 573 ctx->picinfo.buf_w = (ctx->picinfo.pic_w + 15) & 0xFFFFFFF0;
5fa56a01339db0 Yunfei Dong 2021-02-26 574 ctx->picinfo.buf_h = (ctx->picinfo.pic_h + 31) & 0xFFFFFFE0;
5fa56a01339db0 Yunfei Dong 2021-02-26 575 ctx->picinfo.fb_sz[0] = ctx->picinfo.buf_w * ctx->picinfo.buf_h;
5fa56a01339db0 Yunfei Dong 2021-02-26 576 ctx->picinfo.fb_sz[1] = ctx->picinfo.fb_sz[0] >> 1;
5fa56a01339db0 Yunfei Dong 2021-02-26 577 inst->vsi_ctx.dec.cap_num_planes =
5fa56a01339db0 Yunfei Dong 2021-02-26 578 ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes;
5fa56a01339db0 Yunfei Dong 2021-02-26 579
5fa56a01339db0 Yunfei Dong 2021-02-26 @580 pic = &ctx->picinfo;
^^^^^^^^^^^^^^^^^^^^
no-op code. It's unclear without more context what was intended.
5fa56a01339db0 Yunfei Dong 2021-02-26 581 mtk_vcodec_debug(inst, "pic(%d, %d), buf(%d, %d)",
5fa56a01339db0 Yunfei Dong 2021-02-26 582 ctx->picinfo.pic_w, ctx->picinfo.pic_h,
5fa56a01339db0 Yunfei Dong 2021-02-26 583 ctx->picinfo.buf_w, ctx->picinfo.buf_h);
5fa56a01339db0 Yunfei Dong 2021-02-26 584 mtk_vcodec_debug(inst, "Y/C(%d, %d)", ctx->picinfo.fb_sz[0],
5fa56a01339db0 Yunfei Dong 2021-02-26 585 ctx->picinfo.fb_sz[1]);
5fa56a01339db0 Yunfei Dong 2021-02-26 586
5fa56a01339db0 Yunfei Dong 2021-02-26 587 if ((ctx->last_decoded_picinfo.pic_w != ctx->picinfo.pic_w) ||
5fa56a01339db0 Yunfei Dong 2021-02-26 588 (ctx->last_decoded_picinfo.pic_h != ctx->picinfo.pic_h)) {
5fa56a01339db0 Yunfei Dong 2021-02-26 589 inst->vsi_ctx.dec.resolution_changed = true;
5fa56a01339db0 Yunfei Dong 2021-02-26 590 if ((ctx->last_decoded_picinfo.buf_w != ctx->picinfo.buf_w) ||
5fa56a01339db0 Yunfei Dong 2021-02-26 591 (ctx->last_decoded_picinfo.buf_h != ctx->picinfo.buf_h))
5fa56a01339db0 Yunfei Dong 2021-02-26 592 inst->vsi_ctx.dec.realloc_mv_buf = true;
5fa56a01339db0 Yunfei Dong 2021-02-26 593
5fa56a01339db0 Yunfei Dong 2021-02-26 594 mtk_v4l2_debug(1, "ResChg: (%d %d) : old(%d, %d) -> new(%d, %d)",
5fa56a01339db0 Yunfei Dong 2021-02-26 595 inst->vsi_ctx.dec.resolution_changed,
5fa56a01339db0 Yunfei Dong 2021-02-26 596 inst->vsi_ctx.dec.realloc_mv_buf,
5fa56a01339db0 Yunfei Dong 2021-02-26 597 ctx->last_decoded_picinfo.pic_w,
5fa56a01339db0 Yunfei Dong 2021-02-26 598 ctx->last_decoded_picinfo.pic_h,
5fa56a01339db0 Yunfei Dong 2021-02-26 599 ctx->picinfo.pic_w, ctx->picinfo.pic_h);
5fa56a01339db0 Yunfei Dong 2021-02-26 600 }
5fa56a01339db0 Yunfei Dong 2021-02-26 601 }
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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next reply other threads:[~2021-03-24 8:17 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-24 8:17 Dan Carpenter [this message]
2021-03-24 8:17 ` [kbuild] [chrome-os:chromeos-5.4 12/42] drivers/media/platform/mtk-vcodec/vdec/vdec_h264_req_if.c:580:2: warning: Assignment of function parameter has no effect outside the function. Did you forget dereferencing Dan Carpenter
-- strict thread matches above, loose matches on Subject: below --
2021-03-24 7:06 kernel test robot
2021-03-24 6:54 kernel test robot
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