diff options
| author | Srinivasan Shanmugam <srinivasan.shanmugam@amd.com> | 2025-10-22 18:16:51 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-03-17 10:47:17 -0400 |
| commit | 6b606216e03fa2b53cc179d8383b683a140fe6e1 (patch) | |
| tree | ec1bb06bb212a50d1e85ffb70061e525aab7d912 | |
| parent | a782576e28ea35157f4cf97e723ea53c0ecbd6d5 (diff) | |
drm/amd/ras: Fix NULL deref in ras_core_ras_interrupt_detected()
Fixes a NULL pointer dereference when ras_core is NULL and ras_core->dev
is accessed in the error path.
Fixes: 13c91b5b4378 ("drm/amd/ras: Add rascore unified interface function")
Reported by: Dan Carpenter <dan.carpenter@linaro.org>
Cc: YiPeng Chai <YiPeng.Chai@amd.com>
Cc: Tao Zhou <tao.zhou1@amd.com>
Cc: Hawking Zhang <Hawking.Zhang@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/ras/rascore/ras_core.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/ras/rascore/ras_core.c b/drivers/gpu/drm/amd/ras/rascore/ras_core.c index bbf13c076a94..ad3dfe531654 100644 --- a/drivers/gpu/drm/amd/ras/rascore/ras_core.c +++ b/drivers/gpu/drm/amd/ras/rascore/ras_core.c @@ -550,7 +550,9 @@ bool ras_core_ras_interrupt_detected(struct ras_core_context *ras_core) ras_core->sys_fn->detect_ras_interrupt) return ras_core->sys_fn->detect_ras_interrupt(ras_core); - RAS_DEV_ERR(ras_core->dev, "Failed to detect ras interrupt!\n"); + if (ras_core && ras_core->dev) + RAS_DEV_ERR(ras_core->dev, "Failed to detect ras interrupt!\n"); + return false; } |