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drm/amd/ras: Fix NULL deref in ras_core_ras_interrupt_detected()

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Fixes a NULL pointer dereference when ras_core is NULL and ras_core->dev
is accessed in the error path.

Fixes: 13c91b5b43 ("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>
This commit is contained in:
Srinivasan Shanmugam 2025-10-22 18:16:51 +05:30 committed by Alex Deucher
parent a782576e28
commit 6b606216e0
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/amd/ras/rascore/ras_core.c
View File

@ -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;
}