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| author |   Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-08-22 11:16:42 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-08-26 14:11:10 -0300 |
| commit | 95c520690f5fafb2cda2ec17f8c76ab3422b0174 (patch) | |
| tree | 0dec0f5683f21100b61b19a141512ebe0bac3aea /drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c | |
| parent | media: use the BIT() macro (diff) | |
| download | linux-dev-95c520690f5fafb2cda2ec17f8c76ab3422b0174.tar.xz linux-dev-95c520690f5fafb2cda2ec17f8c76ab3422b0174.zip | |
media: don't do a 31 bit shift on a signed int
On 32-bits archs, a signed integer has 31 bits plus on extra
bit for signal. Due to that, touching the 32th bit with something
like:
int bar = 1 << 31;
has an undefined behavior in C on 32 bit architectures, as it
touches the signal bit. This is warned by cppcheck.
Instead, force the numbers to be unsigned, in order to solve this
issue.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c')
| -rw-r--r-- | drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c index f7621a9051cb..a1453053e31a 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c @@ -840,7 +840,7 @@ static int s5p_mfc_set_enc_params(struct s5p_mfc_ctx *ctx) if (p->pad) { reg = 0; /** enable */ - reg |= (1 << 31); + reg |= (1UL << 31); /** cr value */ reg |= ((p->pad_cr & 0xFF) << 16); /** cb value */ |