From: kernel test robot <lkp@intel.com>
To: kbuild@lists.01.org
Subject: drivers/media/platform/imx-jpeg/mxc-jpeg.c:455:18: warning: Array index 'free_slot' is used before limits check. [arrayIndexThenCheck]
Date: Tue, 25 Jan 2022 08:26:39 +0800 [thread overview]
Message-ID: <202201250819.NdeqEx1I-lkp@intel.com> (raw)
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CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Mirela Rabulea <mirela.rabulea@nxp.com>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: linux-media(a)vger.kernel.org
CC: Hans Verkuil <hverkuil@xs4all.nl>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: dd81e1c7d5fb126e5fbc5c9e334d7b3ec29a16a0
commit: 2db16c6ed72ce644d5639b3ed15e5817442db4ba media: imx-jpeg: Add V4L2 driver for i.MX8 JPEG Encoder/Decoder
date: 10 months ago
:::::: branch date: 32 hours ago
:::::: commit date: 10 months ago
compiler: sparc-linux-gcc (GCC) 11.2.0
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/imx-jpeg/mxc-jpeg.c:455:18: warning: Array index 'free_slot' is used before limits check. [arrayIndexThenCheck]
while (slot_data[free_slot].used && free_slot < n)
^
vim +/free_slot +455 drivers/media/platform/imx-jpeg/mxc-jpeg.c
2db16c6ed72ce6 Mirela Rabulea 2021-03-11 450
2db16c6ed72ce6 Mirela Rabulea 2021-03-11 451 static int mxc_get_free_slot(struct mxc_jpeg_slot_data slot_data[], int n)
2db16c6ed72ce6 Mirela Rabulea 2021-03-11 452 {
2db16c6ed72ce6 Mirela Rabulea 2021-03-11 453 int free_slot = 0;
2db16c6ed72ce6 Mirela Rabulea 2021-03-11 454
2db16c6ed72ce6 Mirela Rabulea 2021-03-11 @455 while (slot_data[free_slot].used && free_slot < n)
2db16c6ed72ce6 Mirela Rabulea 2021-03-11 456 free_slot++;
2db16c6ed72ce6 Mirela Rabulea 2021-03-11 457
2db16c6ed72ce6 Mirela Rabulea 2021-03-11 458 return free_slot; /* >=n when there are no more free slots */
2db16c6ed72ce6 Mirela Rabulea 2021-03-11 459 }
2db16c6ed72ce6 Mirela Rabulea 2021-03-11 460
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
reply other threads:[~2022-01-25 0:26 UTC|newest]
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