diff options
author | Christoph Hellwig <hch@lst.de> | 2019-07-24 08:52:56 +0200 |
---|---|---|
committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-07-25 21:14:40 +0200 |
commit | 1b88b99bdff85e75df1cfaa418ed2ef8e1bffeb2 (patch) | |
tree | 3ea08d356a086221e9055172db5509aca0b19e69 /drivers/gpu/drm/nouveau/nouveau_svm.c | |
parent | nouveau: unlock mmap_sem on all errors from nouveau_range_fault (diff) | |
download | linux-1b88b99bdff85e75df1cfaa418ed2ef8e1bffeb2.tar.xz linux-1b88b99bdff85e75df1cfaa418ed2ef8e1bffeb2.zip |
nouveau: return -EBUSY when hmm_range_wait_until_valid fails
-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.
Link: https://lore.kernel.org/r/20190724065258.16603-6-hch@lst.de
Tested-by: Ralph Campbell <rcampbell@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_svm.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_svm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_svm.c b/drivers/gpu/drm/nouveau/nouveau_svm.c index a835cebb6d90..545100f7c594 100644 --- a/drivers/gpu/drm/nouveau/nouveau_svm.c +++ b/drivers/gpu/drm/nouveau/nouveau_svm.c @@ -502,7 +502,7 @@ nouveau_range_fault(struct hmm_mirror *mirror, struct hmm_range *range) if (!hmm_range_wait_until_valid(range, HMM_RANGE_DEFAULT_TIMEOUT)) { up_read(&range->vma->vm_mm->mmap_sem); - return -EAGAIN; + return -EBUSY; } ret = hmm_range_fault(range, true); |