7:05 a.m.
Hi Dmitry,
I love your patch! Perhaps something to improve:
[auto build test WARNING on media-tree/master]
[also build test WARNING on next-20220112]
[cannot apply to v5.16]
[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]
url:
https://github.com/0day-ci/linux/commits/Dmitry-Osipenko/Add-V4L-stateles...
base: git://linuxtv.org/media_tree.git master
config: powerpc-randconfig-s031-20220112
(https://download.01.org/0day-ci/archive/20220113/202201130310.BFtsDEXe-lk...)
compiler: powerpc-linux-gcc (GCC) 11.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-dirty
#
https://github.com/0day-ci/linux/commit/3b11791070fd9de6cd368f28578ebab73...
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
Dmitry-Osipenko/Add-V4L-stateless-video-decoder-API-support-to-NVIDIA-Tegra-driver/20220112-234115
git checkout 3b11791070fd9de6cd368f28578ebab731386a83
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc
SHELL=/bin/bash drivers/staging/media/tegra-vde/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
sparse warnings: (new ones prefixed by >>)
> drivers/staging/media/tegra-vde/h264_reader.c:57:15: sparse:
sparse: cast to restricted __be32
> drivers/staging/media/tegra-vde/h264_reader.c:57:15: sparse: sparse: cast to
restricted __be32
> drivers/staging/media/tegra-vde/h264_reader.c:57:15: sparse: sparse: cast to
restricted __be32
> drivers/staging/media/tegra-vde/h264_reader.c:57:15: sparse: sparse: cast to
restricted __be32
vim +57 drivers/staging/media/tegra-vde/h264_reader.c
44
45 static inline u8 emulation_escape(struct bitstream_reader *reader, u32 offset,
46 u8 data, bool inc_offset, bool *escaped)
47 {
48 u32 seq;
49
50 if (data != 0x03 || !reader->rbsp_mode)
51 return data;
52
53 if (offset < 2 || offset == reader->bitstream_end)
54 return data;
55
56 seq = *((u32 *)(reader->data_ptr + offset - 2));
57 seq = be32_to_cpu(seq);
58
59 switch (seq) {
60 case 0x00000300:
61 case 0x00000301:
62 case 0x00000302:
63 case 0x00000303:
64 if (inc_offset)
65 reader->data_offset++;
66
67 if (escaped)
68 *escaped = true;
69
70 return seq & 0xFF;
71 default:
72 break;
73 }
74
75 return data;
76 }
77
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org