The variable "fence" should be initialized to NULL, and any usage of fence should be guarded by a check to ensure it is not NULL
Signed-off-by: Nareshkumar Gollakoti <[email protected]> --- drivers/gpu/drm/xe/xe_pagefault.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/xe/xe_pagefault.c b/drivers/gpu/drm/xe/xe_pagefault.c index afb06598b6e1..401f1835939b 100644 --- a/drivers/gpu/drm/xe/xe_pagefault.c +++ b/drivers/gpu/drm/xe/xe_pagefault.c @@ -70,7 +70,7 @@ static int xe_pagefault_handle_vma(struct xe_gt *gt, struct xe_vma *vma, struct xe_tile *tile = gt_to_tile(gt); struct xe_validation_ctx ctx; struct drm_exec exec; - struct dma_fence *fence; + struct dma_fence *fence = NULL; int err, needs_vram; lockdep_assert_held_write(&vm->lock); @@ -122,8 +122,10 @@ static int xe_pagefault_handle_vma(struct xe_gt *gt, struct xe_vma *vma, } } - dma_fence_wait(fence, false); - dma_fence_put(fence); + if (fence) { + dma_fence_wait(fence, false); + dma_fence_put(fence); + } unlock_dma_resv: xe_validation_ctx_fini(&ctx); -- 2.43.0
