* drivers/net/can/usb/mcba_usb.c:176:27: warning: Parameter 'cf' can be declared with const [constParameter]
@ 2022-05-22 19:57 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-05-22 19:57 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 3692 bytes --]
CC: kbuild-all(a)lists.01.org
BCC: lkp(a)intel.com
CC: linux-kernel(a)vger.kernel.org
TO: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
CC: "Marc Kleine-Budde" <mkl@pengutronix.de>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: eaea45fc0e7b6ae439526b4a41d91230c8517336
commit: cc4b08c31b5c51352f258032cc65e884b3e61e6a can: do not increase tx_bytes statistics for RTR frames
date: 5 months ago
:::::: branch date: 20 hours ago
:::::: commit date: 5 months ago
compiler: m68k-linux-gcc (GCC) 11.3.0
reproduce (cppcheck warning):
# apt-get install cppcheck
git checkout cc4b08c31b5c51352f258032cc65e884b3e61e6a
cppcheck --quiet --enable=style,performance,portability --template=gcc FILE
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
cppcheck possible warnings: (new ones prefixed by >>, may not real problems)
>> drivers/net/can/usb/mcba_usb.c:176:27: warning: Parameter 'cf' can be declared with const [constParameter]
struct can_frame *cf)
^
vim +/cf +176 drivers/net/can/usb/mcba_usb.c
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 174
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 175 static inline struct mcba_usb_ctx *mcba_usb_get_free_ctx(struct mcba_priv *priv,
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 @176 struct can_frame *cf)
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 177 {
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 178 int i = 0;
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 179 struct mcba_usb_ctx *ctx = NULL;
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 180
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 181 for (i = 0; i < MCBA_MAX_TX_URBS; i++) {
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 182 if (priv->tx_context[i].ndx == MCBA_CTX_FREE) {
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 183 ctx = &priv->tx_context[i];
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 184 ctx->ndx = i;
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 185
cc4b08c31b5c51 Vincent Mailhol 2021-12-07 186 if (cf)
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 187 ctx->can = true;
cc4b08c31b5c51 Vincent Mailhol 2021-12-07 188 else
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 189 ctx->can = false;
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 190
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 191 atomic_dec(&priv->free_ctx_cnt);
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 192 break;
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 193 }
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 194 }
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 195
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 196 if (!atomic_read(&priv->free_ctx_cnt))
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 197 /* That was the last free ctx. Slow down tx path */
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 198 netif_stop_queue(priv->netdev);
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 199
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 200 return ctx;
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 201 }
51f3baad7de943 Remigiusz Kołłątaj 2017-04-14 202
:::::: The code at line 176 was first introduced by commit
:::::: 51f3baad7de943780ce0c17bd7975df567dd6e14 can: mcba_usb: Add support for Microchip CAN BUS Analyzer
:::::: TO: Remigiusz Kołłątaj <remigiusz.kollataj@mobica.com>
:::::: CC: Marc Kleine-Budde <mkl@pengutronix.de>
--
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https://01.org/lkp
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2022-05-22 19:57 drivers/net/can/usb/mcba_usb.c:176:27: warning: Parameter 'cf' can be declared with const [constParameter] kernel test robot
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