diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2024-08-14 12:00:35 +0200 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2024-08-16 11:07:46 +0200 |
| commit | f76506358078809461866086c5e224d949002016 (patch) | |
| tree | 3638fc5864dc01b2ca6e3e3333d9c46d982d51db /drivers/gpu/drm/drm_edid.c | |
| parent | string: add mem_is_zero() helper to check if memory area is all zeros (diff) | |
| download | linux-f76506358078809461866086c5e224d949002016.tar.xz linux-f76506358078809461866086c5e224d949002016.zip | |
drm: use mem_is_zero() instead of !memchr_inv(s, 0, n)
Use the mem_is_zero() helper where possible.
Conversion done using cocci:
| @@
| expression PTR;
| expression SIZE;
| @@
|
| <...
| (
| - memchr_inv(PTR, 0, SIZE) == NULL
| + mem_is_zero(PTR, SIZE)
| |
| - !memchr_inv(PTR, 0, SIZE)
| + mem_is_zero(PTR, SIZE)
| |
| - memchr_inv(PTR, 0, SIZE)
| + !mem_is_zero(PTR, SIZE)
| )
| ...>
Reviewed-by: Kees Cook <kees@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240814100035.3100852-2-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
| -rw-r--r-- | drivers/gpu/drm/drm_edid.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index ff1e47a9c83e..855beafb76ff 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -1817,7 +1817,7 @@ static int edid_block_tag(const void *_block) static bool edid_block_is_zero(const void *edid) { - return !memchr_inv(edid, 0, EDID_LENGTH); + return mem_is_zero(edid, EDID_LENGTH); } static bool drm_edid_eq(const struct drm_edid *drm_edid, |