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authorJani Nikula <jani.nikula@intel.com>2024-08-14 13:00:35 +0300
committerJani Nikula <jani.nikula@intel.com>2024-08-16 12:07:46 +0300
commitf76506358078809461866086c5e224d949002016 (patch)
tree3638fc5864dc01b2ca6e3e3333d9c46d982d51db /drivers/gpu/drm/udl
parent3942bb49728ad9e1f94d953a88af169a8f5d8099 (diff)
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/udl')
-rw-r--r--drivers/gpu/drm/udl/udl_edid.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/udl/udl_edid.c b/drivers/gpu/drm/udl/udl_edid.c
index d67e6bf1f2ae..12f48ae17073 100644
--- a/drivers/gpu/drm/udl/udl_edid.c
+++ b/drivers/gpu/drm/udl/udl_edid.c
@@ -69,7 +69,7 @@ bool udl_probe_edid(struct udl_device *udl)
* The adapter sends all-zeros if no monitor has been
* connected. We consider anything else a connection.
*/
- return !!memchr_inv(hdr, 0, sizeof(hdr));
+ return !mem_is_zero(hdr, sizeof(hdr));
}
const struct drm_edid *udl_edid_read(struct drm_connector *connector)