From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
Fix to return -ENOMEM in the kmap() error handling case
instead of 0, as done elsewhere in this function.
Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_ringbuffer.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 5698fae..9b97cf6 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -464,9 +464,11 @@ init_pipe_control(struct intel_ring_buffer *ring)
goto err_unref;
pc->gtt_offset = obj->gtt_offset;
- pc->cpu_page = kmap(sg_page(obj->pages->sgl));
- if (pc->cpu_page == NULL)
+ pc->cpu_page = kmap(sg_page(obj->pages->sgl));
+ if (pc->cpu_page == NULL) {
+ ret = -ENOMEM;
goto err_unpin;
+ }
DRM_DEBUG_DRIVER("%s pipe control offset: 0x%08x\n",
ring->name, pc->gtt_offset);
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