From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com, Dan Carpenter <error27@gmail.com>
Subject: Re: [PATCH v8 3/3] media: i2c: Introduce a driver for the Techwell TW9900 decoder
Date: Sat, 11 Nov 2023 08:02:27 +0800 [thread overview]
Message-ID: <202311110759.PJpNGc2N-lkp@intel.com> (raw)
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
In-Reply-To: <93354996c95926970684498f08061b60a52bb84c.1699449537.git.mehdi.djait@bootlin.com>
References: <93354996c95926970684498f08061b60a52bb84c.1699449537.git.mehdi.djait@bootlin.com>
TO: Mehdi Djait <mehdi.djait@bootlin.com>
TO: mchehab@kernel.org
TO: heiko@sntech.de
TO: hverkuil-cisco@xs4all.nl
TO: laurent.pinchart@ideasonboard.com
TO: krzysztof.kozlowski+dt@linaro.org
TO: robh+dt@kernel.org
TO: conor+dt@kernel.org
CC: linux-media@vger.kernel.org
CC: devicetree@vger.kernel.org
CC: linux-kernel@vger.kernel.org
CC: thomas.petazzoni@bootlin.com
CC: alexandre.belloni@bootlin.com
CC: maxime.chevallier@bootlin.com
CC: paul.kocialkowski@bootlin.com
CC: Mehdi Djait <mehdi.djait@bootlin.com>
Hi Mehdi,
kernel test robot noticed the following build warnings:
[auto build test WARNING on media-tree/master]
[also build test WARNING on robh/for-next linuxtv-media-stage/master linus/master v6.6 next-20231110]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Mehdi-Djait/dt-bindings-vendor-prefixes-Add-techwell-vendor-prefix/20231109-042139
base: git://linuxtv.org/media_tree.git master
patch link: https://lore.kernel.org/r/93354996c95926970684498f08061b60a52bb84c.1699449537.git.mehdi.djait%40bootlin.com
patch subject: [PATCH v8 3/3] media: i2c: Introduce a driver for the Techwell TW9900 decoder
:::::: branch date: 2 days ago
:::::: commit date: 2 days ago
config: i386-randconfig-141-20231111 (https://download.01.org/0day-ci/archive/20231111/202311110759.PJpNGc2N-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231111/202311110759.PJpNGc2N-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202311110759.PJpNGc2N-lkp@intel.com/
smatch warnings:
drivers/media/i2c/tw9900.c:398 tw9900_s_std() error: uninitialized symbol 'mode'.
vim +/mode +398 drivers/media/i2c/tw9900.c
4fa88742527a9a Mehdi Djait 2023-11-08 383
4fa88742527a9a Mehdi Djait 2023-11-08 384 static int tw9900_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
4fa88742527a9a Mehdi Djait 2023-11-08 385 {
4fa88742527a9a Mehdi Djait 2023-11-08 386 struct tw9900 *tw9900 = to_tw9900(sd);
4fa88742527a9a Mehdi Djait 2023-11-08 387 const struct tw9900_mode *mode;
4fa88742527a9a Mehdi Djait 2023-11-08 388 int i, ret = 0;
4fa88742527a9a Mehdi Djait 2023-11-08 389
4fa88742527a9a Mehdi Djait 2023-11-08 390 if (!(std & (V4L2_STD_NTSC | V4L2_STD_PAL)))
4fa88742527a9a Mehdi Djait 2023-11-08 391 return -EINVAL;
4fa88742527a9a Mehdi Djait 2023-11-08 392
4fa88742527a9a Mehdi Djait 2023-11-08 393 mutex_lock(&tw9900->mutex);
4fa88742527a9a Mehdi Djait 2023-11-08 394
4fa88742527a9a Mehdi Djait 2023-11-08 395 for (i = 0; i < ARRAY_SIZE(supported_modes); i++)
4fa88742527a9a Mehdi Djait 2023-11-08 396 if (supported_modes[i].std & std)
4fa88742527a9a Mehdi Djait 2023-11-08 397 mode = &supported_modes[i];
4fa88742527a9a Mehdi Djait 2023-11-08 @398 if (!mode) {
4fa88742527a9a Mehdi Djait 2023-11-08 399 ret = -EINVAL;
4fa88742527a9a Mehdi Djait 2023-11-08 400 goto out_unlock;
4fa88742527a9a Mehdi Djait 2023-11-08 401 }
4fa88742527a9a Mehdi Djait 2023-11-08 402
4fa88742527a9a Mehdi Djait 2023-11-08 403 tw9900->cur_mode = mode;
4fa88742527a9a Mehdi Djait 2023-11-08 404
4fa88742527a9a Mehdi Djait 2023-11-08 405 out_unlock:
4fa88742527a9a Mehdi Djait 2023-11-08 406 mutex_unlock(&tw9900->mutex);
4fa88742527a9a Mehdi Djait 2023-11-08 407
4fa88742527a9a Mehdi Djait 2023-11-08 408 return ret;
4fa88742527a9a Mehdi Djait 2023-11-08 409 }
4fa88742527a9a Mehdi Djait 2023-11-08 410
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2023-11-11 0:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-11 0:02 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2023-11-08 13:27 [PATCH v8 0/3] media: i2c: Introduce driver for the TW9900 video decoder Mehdi Djait
2023-11-08 13:27 ` [PATCH v8 3/3] media: i2c: Introduce a driver for the Techwell TW9900 decoder Mehdi Djait
2023-11-09 7:06 ` kernel test robot
2023-11-16 15:47 ` Paul Kocialkowski
2023-11-20 11:32 ` Dan Carpenter
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