From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============0429364518392961829==" MIME-Version: 1.0 From: kernel test robot 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 Message-ID: <202201250819.NdeqEx1I-lkp@intel.com> List-Id: To: kbuild@lists.01.org --===============0429364518392961829== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable CC: kbuild-all(a)lists.01.org CC: linux-kernel(a)vger.kernel.org TO: Mirela Rabulea CC: Mauro Carvalho Chehab CC: linux-media(a)vger.kernel.org CC: Hans Verkuil 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 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 =3D 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; /* >=3Dn = 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 --===============0429364518392961829==--