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| author | Jakub Kicinski <kuba@kernel.org> | 2021-12-16 16:13:19 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-12-16 16:13:19 -0800 |
| commit | 7cd2802d7496c1fc76f42dc045b48cc16d11df39 (patch) | |
| tree | 41c33f5944bbc686a489801762eb126e07049b81 /drivers/gpu/drm/drm_syncobj.c | |
| parent | 0f473bb6ed2d0b8533a079ee133f625f83de5315 (diff) | |
| parent | 6441998e2e37131b0a4c310af9156d79d3351c16 (diff) | |
| download | linux-7cd2802d7496c1fc76f42dc045b48cc16d11df39.tar.gz linux-7cd2802d7496c1fc76f42dc045b48cc16d11df39.tar.bz2 linux-7cd2802d7496c1fc76f42dc045b48cc16d11df39.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/drm_syncobj.c')
| -rw-r--r-- | drivers/gpu/drm/drm_syncobj.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c index c9a9d74f338c..c313a5b4549c 100644 --- a/drivers/gpu/drm/drm_syncobj.c +++ b/drivers/gpu/drm/drm_syncobj.c @@ -404,8 +404,17 @@ int drm_syncobj_find_fence(struct drm_file *file_private, if (*fence) { ret = dma_fence_chain_find_seqno(fence, point); - if (!ret) + if (!ret) { + /* If the requested seqno is already signaled + * drm_syncobj_find_fence may return a NULL + * fence. To make sure the recipient gets + * signalled, use a new fence instead. + */ + if (!*fence) + *fence = dma_fence_get_stub(); + goto out; + } dma_fence_put(*fence); } else { ret = -EINVAL; |