diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2024-08-14 13:00:35 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2024-08-16 12:07:46 +0300 |
| commit | f76506358078809461866086c5e224d949002016 (patch) | |
| tree | 3638fc5864dc01b2ca6e3e3333d9c46d982d51db /drivers/gpu/drm/i915/display/intel_dp.c | |
| parent | 3942bb49728ad9e1f94d953a88af169a8f5d8099 (diff) | |
| download | linux-f76506358078809461866086c5e224d949002016.tar.gz linux-f76506358078809461866086c5e224d949002016.tar.bz2 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/i915/display/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 59f11af3b0a1..257b441897f6 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -5077,7 +5077,7 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp) ack[3] |= DP_TUNNELING_IRQ; } - if (!memchr_inv(ack, 0, sizeof(ack))) + if (mem_is_zero(ack, sizeof(ack))) break; if (!intel_dp_ack_sink_irq_esi(intel_dp, ack)) |