diff mbox series

[5/6] nouveau: return -EBUSY when hmm_range_wait_until_valid fails

Message ID 20190703220214.28319-6-hch@lst.de (mailing list archive)
State New, archived
Headers show
Series [1/6] mm: always return EBUSY for invalid ranges in hmm_range_{fault,snapshot} | expand

Commit Message

Christoph Hellwig July 3, 2019, 10:02 p.m. UTC 
-EAGAIN has a magic meaning for non-blocking faults, so don't overload
it.  Given that the caller doesn't check for specific error codes this
change is purely cosmetic.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/gpu/drm/nouveau/nouveau_svm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/nouveau/nouveau_svm.c b/drivers/gpu/drm/nouveau/nouveau_svm.c
index d97d862e8b7d..26853f59b0f4 100644
--- a/drivers/gpu/drm/nouveau/nouveau_svm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_svm.c
@@ -508,7 +508,7 @@  nouveau_range_fault(struct hmm_mirror *mirror, struct hmm_range *range)
 
 	if (!hmm_range_wait_until_valid(range, NOUVEAU_RANGE_FAULT_TIMEOUT)) {
 		up_read(&range->vma->vm_mm->mmap_sem);
-		return -EAGAIN;
+		return -EBUSY;
 	}
 
 	ret = hmm_range_fault(range, true);