* [mchehab-media-next:master 259/331] drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1231:7: warning: Branch condition evaluates to a garbage value [clang-analyzer-core.uninitialized.Branch]
@ 2022-03-19 8:44 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-03-19 8:44 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 22701 bytes --]
CC: llvm(a)lists.linux.dev
CC: kbuild-all(a)lists.01.org
BCC: lkp(a)intel.com
CC: linux-kernel(a)vger.kernel.org
TO: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: linux-media(a)vger.kernel.org
CC: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
tree: git://linuxtv.org/mchehab/media-next.git master
head: 47aa866f248c89b319b99ac7b21a0a961ed2264a
commit: 46fb99951fe2c71adfd7f4ea4439af5ed5ebb7f7 [259/331] media: platform: place NXP drivers on a separate dir
:::::: branch date: 26 hours ago
:::::: commit date: 5 days ago
config: arm-randconfig-c002-20220318 (https://download.01.org/0day-ci/archive/20220319/202203191647.oSnuoCij-lkp(a)intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a6e70e4056dff962ec634c5bd4f2f4105a0bef71)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
git remote add mchehab-media-next git://linuxtv.org/mchehab/media-next.git
git fetch --no-tags mchehab-media-next master
git checkout 46fb99951fe2c71adfd7f4ea4439af5ed5ebb7f7
# save the config file to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
clang-analyzer warnings: (new ones prefixed by >>)
^~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:902:2: note: Taking true branch
if (img_fmt == MXC_JPEG_INVALID)
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:903:3: note: Left side of '&&' is true
dev_err(jpeg->dev, "No valid image format detected\n");
^
include/linux/dev_printk.h:144:2: note: expanded from macro 'dev_err'
dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
^
include/linux/dev_printk.h:109:3: note: expanded from macro 'dev_printk_index_wrap'
dev_printk_index_emit(level, fmt); \
^
include/linux/dev_printk.h:105:2: note: expanded from macro 'dev_printk_index_emit'
printk_index_subsys_emit("%s %s: ", level, fmt)
^
include/linux/printk.h:413:2: note: expanded from macro 'printk_index_subsys_emit'
__printk_index_emit(fmt, level, subsys_fmt_prefix)
^
include/linux/printk.h:370:7: note: expanded from macro '__printk_index_emit'
if (__builtin_constant_p(_fmt) && __builtin_constant_p(_level)) { \
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:903:3: note: Taking true branch
dev_err(jpeg->dev, "No valid image format detected\n");
^
include/linux/dev_printk.h:144:2: note: expanded from macro 'dev_err'
dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
^
include/linux/dev_printk.h:109:3: note: expanded from macro 'dev_printk_index_wrap'
dev_printk_index_emit(level, fmt); \
^
include/linux/dev_printk.h:105:2: note: expanded from macro 'dev_printk_index_emit'
printk_index_subsys_emit("%s %s: ", level, fmt)
^
include/linux/printk.h:413:2: note: expanded from macro 'printk_index_subsys_emit'
__printk_index_emit(fmt, level, subsys_fmt_prefix)
^
include/linux/printk.h:370:3: note: expanded from macro '__printk_index_emit'
if (__builtin_constant_p(_fmt) && __builtin_constant_p(_level)) { \
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:903:3: note: '?' condition is true
dev_err(jpeg->dev, "No valid image format detected\n");
^
include/linux/dev_printk.h:144:2: note: expanded from macro 'dev_err'
dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
^
include/linux/dev_printk.h:109:3: note: expanded from macro 'dev_printk_index_wrap'
dev_printk_index_emit(level, fmt); \
^
include/linux/dev_printk.h:105:2: note: expanded from macro 'dev_printk_index_emit'
printk_index_subsys_emit("%s %s: ", level, fmt)
^
include/linux/printk.h:413:2: note: expanded from macro 'printk_index_subsys_emit'
__printk_index_emit(fmt, level, subsys_fmt_prefix)
^
include/linux/printk.h:379:12: note: expanded from macro '__printk_index_emit'
.fmt = __builtin_constant_p(_fmt) ? (_fmt) : NULL, \
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:903:3: note: '?' condition is true
dev_err(jpeg->dev, "No valid image format detected\n");
^
include/linux/dev_printk.h:144:2: note: expanded from macro 'dev_err'
dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
^
include/linux/dev_printk.h:109:3: note: expanded from macro 'dev_printk_index_wrap'
dev_printk_index_emit(level, fmt); \
^
include/linux/dev_printk.h:105:2: note: expanded from macro 'dev_printk_index_emit'
printk_index_subsys_emit("%s %s: ", level, fmt)
^
include/linux/printk.h:413:2: note: expanded from macro 'printk_index_subsys_emit'
__printk_index_emit(fmt, level, subsys_fmt_prefix)
^
include/linux/printk.h:383:14: note: expanded from macro '__printk_index_emit'
.level = __builtin_constant_p(_level) ? (_level) : NULL, \
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:903:3: note: Loop condition is false. Exiting loop
dev_err(jpeg->dev, "No valid image format detected\n");
^
include/linux/dev_printk.h:144:2: note: expanded from macro 'dev_err'
dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
^
include/linux/dev_printk.h:109:3: note: expanded from macro 'dev_printk_index_wrap'
dev_printk_index_emit(level, fmt); \
^
include/linux/dev_printk.h:105:2: note: expanded from macro 'dev_printk_index_emit'
printk_index_subsys_emit("%s %s: ", level, fmt)
^
include/linux/printk.h:413:2: note: expanded from macro 'printk_index_subsys_emit'
__printk_index_emit(fmt, level, subsys_fmt_prefix)
^
include/linux/printk.h:369:2: note: expanded from macro '__printk_index_emit'
do { \
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:905:5: note: The result of the left shift is undefined because the left operand is negative
STM_CTRL_IMAGE_FORMAT(img_fmt);
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.h:84:52: note: expanded from macro 'STM_CTRL_IMAGE_FORMAT'
#define STM_CTRL_IMAGE_FORMAT(img_fmt) ((img_fmt) << 3)
~~~~~~~~~ ^
>> drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1231:7: warning: Branch condition evaluates to a garbage value [clang-analyzer-core.uninitialized.Branch]
if (!q->sizeimage[0])
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1823:8: note: Calling 'mxc_jpeg_try_fmt_vid_out'
ret = mxc_jpeg_try_fmt_vid_out(file, priv, f);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1720:16: note: Assuming field 'mode' is not equal to MXC_JPEG_ENCODE
int q_type = (jpeg->mode == MXC_JPEG_ENCODE) ?
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1720:15: note: '?' condition is false
int q_type = (jpeg->mode == MXC_JPEG_ENCODE) ?
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1723:7: note: Assuming field 'type' is not equal to V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE
if (!V4L2_TYPE_IS_MULTIPLANAR(f->type)) {
^
include/uapi/linux/videodev2.h:161:3: note: expanded from macro 'V4L2_TYPE_IS_MULTIPLANAR'
((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1723:7: note: Left side of '||' is false
if (!V4L2_TYPE_IS_MULTIPLANAR(f->type)) {
^
include/uapi/linux/videodev2.h:161:3: note: expanded from macro 'V4L2_TYPE_IS_MULTIPLANAR'
((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1723:7: note: Assuming field 'type' is equal to V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE
if (!V4L2_TYPE_IS_MULTIPLANAR(f->type)) {
^
include/uapi/linux/videodev2.h:162:6: note: expanded from macro 'V4L2_TYPE_IS_MULTIPLANAR'
|| (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1723:2: note: Taking false branch
if (!V4L2_TYPE_IS_MULTIPLANAR(f->type)) {
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1729:7: note: 'fmt' is non-null
if (!fmt || fmt->flags != q_type) {
^~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1729:6: note: Left side of '||' is false
if (!fmt || fmt->flags != q_type) {
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1729:14: note: Assuming 'q_type' is equal to field 'flags'
if (!fmt || fmt->flags != q_type) {
^~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1729:2: note: Taking false branch
if (!fmt || fmt->flags != q_type) {
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1739:9: note: Calling 'mxc_jpeg_try_fmt'
return mxc_jpeg_try_fmt(f, fmt, ctx, q_type);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1615:11: note: Assuming field 'width' is >= MXC_JPEG_MAX_WIDTH
u32 w = (pix_mp->width < MXC_JPEG_MAX_WIDTH) ?
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1615:10: note: '?' condition is false
u32 w = (pix_mp->width < MXC_JPEG_MAX_WIDTH) ?
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1617:11: note: Assuming field 'height' is >= MXC_JPEG_MAX_HEIGHT
u32 h = (pix_mp->height < MXC_JPEG_MAX_HEIGHT) ?
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1617:10: note: '?' condition is false
u32 h = (pix_mp->height < MXC_JPEG_MAX_HEIGHT) ?
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1648:14: note: Assuming 'i' is >= field 'num_planes'
for (i = 0; i < pix_mp->num_planes; i++) {
^~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1648:2: note: Loop condition is false. Execution continues on line 1655
for (i = 0; i < pix_mp->num_planes; i++) {
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1655:2: note: Calling 'mxc_jpeg_bytesperline'
mxc_jpeg_bytesperline(&tmp_q, 8);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1207:6: note: Assuming the condition is true
if (q->fmt->fourcc == V4L2_PIX_FMT_JPEG) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1207:2: note: Taking true branch
if (q->fmt->fourcc == V4L2_PIX_FMT_JPEG) {
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1655:2: note: Returning from 'mxc_jpeg_bytesperline'
mxc_jpeg_bytesperline(&tmp_q, 8);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1656:2: note: Calling 'mxc_jpeg_sizeimage'
mxc_jpeg_sizeimage(&tmp_q);
^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1229:2: note: Taking true branch
if (q->fmt->fourcc == V4L2_PIX_FMT_JPEG) {
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1231:7: note: Branch condition evaluates to a garbage value
if (!q->sizeimage[0])
^~~~~~~~~~~~~~~~
>> drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1662:22: warning: Assigned value is garbage or undefined [clang-analyzer-core.uninitialized.Assign]
pfmt->bytesperline = tmp_q.bytesperline[i];
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1823:8: note: Calling 'mxc_jpeg_try_fmt_vid_out'
ret = mxc_jpeg_try_fmt_vid_out(file, priv, f);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1720:16: note: Assuming field 'mode' is not equal to MXC_JPEG_ENCODE
int q_type = (jpeg->mode == MXC_JPEG_ENCODE) ?
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1720:15: note: '?' condition is false
int q_type = (jpeg->mode == MXC_JPEG_ENCODE) ?
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1723:7: note: Assuming field 'type' is not equal to V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE
if (!V4L2_TYPE_IS_MULTIPLANAR(f->type)) {
^
include/uapi/linux/videodev2.h:161:3: note: expanded from macro 'V4L2_TYPE_IS_MULTIPLANAR'
((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1723:7: note: Left side of '||' is false
if (!V4L2_TYPE_IS_MULTIPLANAR(f->type)) {
^
include/uapi/linux/videodev2.h:161:3: note: expanded from macro 'V4L2_TYPE_IS_MULTIPLANAR'
((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1723:7: note: Assuming field 'type' is equal to V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE
if (!V4L2_TYPE_IS_MULTIPLANAR(f->type)) {
^
include/uapi/linux/videodev2.h:162:6: note: expanded from macro 'V4L2_TYPE_IS_MULTIPLANAR'
|| (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1723:2: note: Taking false branch
if (!V4L2_TYPE_IS_MULTIPLANAR(f->type)) {
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1729:7: note: 'fmt' is non-null
if (!fmt || fmt->flags != q_type) {
^~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1729:6: note: Left side of '||' is false
if (!fmt || fmt->flags != q_type) {
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1729:14: note: Assuming 'q_type' is equal to field 'flags'
if (!fmt || fmt->flags != q_type) {
^~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1729:2: note: Taking false branch
if (!fmt || fmt->flags != q_type) {
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1739:9: note: Calling 'mxc_jpeg_try_fmt'
return mxc_jpeg_try_fmt(f, fmt, ctx, q_type);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1615:11: note: Assuming field 'width' is >= MXC_JPEG_MAX_WIDTH
u32 w = (pix_mp->width < MXC_JPEG_MAX_WIDTH) ?
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1615:10: note: '?' condition is false
u32 w = (pix_mp->width < MXC_JPEG_MAX_WIDTH) ?
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1617:11: note: Assuming field 'height' is >= MXC_JPEG_MAX_HEIGHT
u32 h = (pix_mp->height < MXC_JPEG_MAX_HEIGHT) ?
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1617:10: note: '?' condition is false
u32 h = (pix_mp->height < MXC_JPEG_MAX_HEIGHT) ?
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1648:14: note: Assuming 'i' is < field 'num_planes'
for (i = 0; i < pix_mp->num_planes; i++) {
^~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1648:2: note: Loop condition is true. Entering loop body
for (i = 0; i < pix_mp->num_planes; i++) {
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1648:14: note: Assuming 'i' is >= field 'num_planes'
for (i = 0; i < pix_mp->num_planes; i++) {
^~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1648:2: note: Loop condition is false. Execution continues on line 1655
for (i = 0; i < pix_mp->num_planes; i++) {
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1655:2: note: Calling 'mxc_jpeg_bytesperline'
mxc_jpeg_bytesperline(&tmp_q, 8);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1207:6: note: Assuming the condition is true
if (q->fmt->fourcc == V4L2_PIX_FMT_JPEG) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1207:2: note: Taking true branch
if (q->fmt->fourcc == V4L2_PIX_FMT_JPEG) {
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1655:2: note: Returning from 'mxc_jpeg_bytesperline'
mxc_jpeg_bytesperline(&tmp_q, 8);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1656:2: note: Calling 'mxc_jpeg_sizeimage'
mxc_jpeg_sizeimage(&tmp_q);
^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1229:2: note: Taking true branch
if (q->fmt->fourcc == V4L2_PIX_FMT_JPEG) {
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1231:7: note: Assuming the condition is false
if (!q->sizeimage[0])
^~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1231:3: note: Taking false branch
if (!q->sizeimage[0])
^
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1235:7: note: Assuming the condition is false
if (q->sizeimage[0] > MXC_JPEG_MAX_SIZEIMAGE)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1235:3: note: Taking false branch
if (q->sizeimage[0] > MXC_JPEG_MAX_SIZEIMAGE)
vim +1231 drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
2db16c6ed72ce6 drivers/media/platform/imx-jpeg/mxc-jpeg.c Mirela Rabulea 2021-03-11 1226
2db16c6ed72ce6 drivers/media/platform/imx-jpeg/mxc-jpeg.c Mirela Rabulea 2021-03-11 1227 static void mxc_jpeg_sizeimage(struct mxc_jpeg_q_data *q)
2db16c6ed72ce6 drivers/media/platform/imx-jpeg/mxc-jpeg.c Mirela Rabulea 2021-03-11 1228 {
2db16c6ed72ce6 drivers/media/platform/imx-jpeg/mxc-jpeg.c Mirela Rabulea 2021-03-11 1229 if (q->fmt->fourcc == V4L2_PIX_FMT_JPEG) {
2db16c6ed72ce6 drivers/media/platform/imx-jpeg/mxc-jpeg.c Mirela Rabulea 2021-03-11 1230 /* if no sizeimage from user, assume worst jpeg compression */
2db16c6ed72ce6 drivers/media/platform/imx-jpeg/mxc-jpeg.c Mirela Rabulea 2021-03-11 @1231 if (!q->sizeimage[0])
2db16c6ed72ce6 drivers/media/platform/imx-jpeg/mxc-jpeg.c Mirela Rabulea 2021-03-11 1232 q->sizeimage[0] = 6 * q->w * q->h;
2db16c6ed72ce6 drivers/media/platform/imx-jpeg/mxc-jpeg.c Mirela Rabulea 2021-03-11 1233 q->sizeimage[1] = 0;
2db16c6ed72ce6 drivers/media/platform/imx-jpeg/mxc-jpeg.c Mirela Rabulea 2021-03-11 1234
2db16c6ed72ce6 drivers/media/platform/imx-jpeg/mxc-jpeg.c Mirela Rabulea 2021-03-11 1235 if (q->sizeimage[0] > MXC_JPEG_MAX_SIZEIMAGE)
2db16c6ed72ce6 drivers/media/platform/imx-jpeg/mxc-jpeg.c Mirela Rabulea 2021-03-11 1236 q->sizeimage[0] = MXC_JPEG_MAX_SIZEIMAGE;
2db16c6ed72ce6 drivers/media/platform/imx-jpeg/mxc-jpeg.c Mirela Rabulea 2021-03-11 1237
2db16c6ed72ce6 drivers/media/platform/imx-jpeg/mxc-jpeg.c Mirela Rabulea 2021-03-11 1238 /* jpeg stream size must be multiple of 1K */
2db16c6ed72ce6 drivers/media/platform/imx-jpeg/mxc-jpeg.c Mirela Rabulea 2021-03-11 1239 q->sizeimage[0] = ALIGN(q->sizeimage[0], 1024);
2db16c6ed72ce6 drivers/media/platform/imx-jpeg/mxc-jpeg.c Mirela Rabulea 2021-03-11 1240 } else {
2db16c6ed72ce6 drivers/media/platform/imx-jpeg/mxc-jpeg.c Mirela Rabulea 2021-03-11 1241 q->sizeimage[0] = q->bytesperline[0] * q->h;
2db16c6ed72ce6 drivers/media/platform/imx-jpeg/mxc-jpeg.c Mirela Rabulea 2021-03-11 1242 q->sizeimage[1] = 0;
784a1883cff07e drivers/media/platform/imx-jpeg/mxc-jpeg.c Ming Qian 2021-12-24 1243 if (q->fmt->fourcc == V4L2_PIX_FMT_NV12M)
2db16c6ed72ce6 drivers/media/platform/imx-jpeg/mxc-jpeg.c Mirela Rabulea 2021-03-11 1244 q->sizeimage[1] = q->sizeimage[0] / 2;
2db16c6ed72ce6 drivers/media/platform/imx-jpeg/mxc-jpeg.c Mirela Rabulea 2021-03-11 1245 }
2db16c6ed72ce6 drivers/media/platform/imx-jpeg/mxc-jpeg.c Mirela Rabulea 2021-03-11 1246 }
2db16c6ed72ce6 drivers/media/platform/imx-jpeg/mxc-jpeg.c Mirela Rabulea 2021-03-11 1247
:::::: The code at line 1231 was first introduced by commit
:::::: 2db16c6ed72ce644d5639b3ed15e5817442db4ba media: imx-jpeg: Add V4L2 driver for i.MX8 JPEG Encoder/Decoder
:::::: TO: Mirela Rabulea <mirela.rabulea@nxp.com>
:::::: CC: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
0-DAY CI Kernel Test Service
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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2022-03-19 8:44 [mchehab-media-next:master 259/331] drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c:1231:7: warning: Branch condition evaluates to a garbage value [clang-analyzer-core.uninitialized.Branch] kernel test robot
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