From: Ma Jun Date: Sat, 11 May 2024 07:48:02 +0000 (+0800) Subject: drm/amdgpu: Fix the null pointer dereference to ras_manager X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=4c11d30c95576937c6c35e6f29884761f2dddb43;p=linux.git drm/amdgpu: Fix the null pointer dereference to ras_manager Check ras_manager before using it Signed-off-by: Ma Jun Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index 925ec65ac5ed..2bcf5c3b5d70 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -2172,12 +2172,15 @@ static void amdgpu_ras_interrupt_process_handler(struct work_struct *work) int amdgpu_ras_interrupt_dispatch(struct amdgpu_device *adev, struct ras_dispatch_if *info) { - struct ras_manager *obj = amdgpu_ras_find_obj(adev, &info->head); - struct ras_ih_data *data = &obj->ih_data; + struct ras_manager *obj; + struct ras_ih_data *data; + obj = amdgpu_ras_find_obj(adev, &info->head); if (!obj) return -EINVAL; + data = &obj->ih_data; + if (data->inuse == 0) return 0;