diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2022-05-16 10:05:48 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-06-14 19:44:54 +0300 |
| commit | 607c5cd1a08e196d9f2bd3b25a8083ed27ad7ceb (patch) | |
| tree | 71f71690de6afb75e11b670458d2a9dfdd4e91c3 /drivers/gpu | |
| parent | 119b7d548029ed3a6369fd08303413ab7f1e2c63 (diff) | |
| download | linux-607c5cd1a08e196d9f2bd3b25a8083ed27ad7ceb.tar.xz | |
drm/amdgpu: Off by one in dm_dmub_outbox1_low_irq()
[ Upstream commit a35faec3db0e13aac8ea720bc1a3503081dd5a3d ]
The > ARRAY_SIZE() should be >= ARRAY_SIZE() to prevent an out of bounds
access.
Fixes: e27c41d5b068 ("drm/amd/display: Support for DMUB HPD interrupt handling")
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 62139ff35476..8dd03de7c277 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -771,7 +771,7 @@ static void dm_dmub_outbox1_low_irq(void *interrupt_params) do { dc_stat_get_dmub_notification(adev->dm.dc, ¬ify); - if (notify.type > ARRAY_SIZE(dm->dmub_thread_offload)) { + if (notify.type >= ARRAY_SIZE(dm->dmub_thread_offload)) { DRM_ERROR("DM: notify type %d invalid!", notify.type); continue; } |