diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2017-06-29 13:59:25 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-09 22:01:55 +0100 |
| commit | fc839ecb8edae9ec6fc757e6874f14ffecda7b3d (patch) | |
| tree | 6bd47a55342fc1d182ccd4e038e5e8ed8a684d34 /drivers/dma-buf | |
| parent | b53525eaac5590d06785f5fbdd8265b73ecbc911 (diff) | |
dma-buf/sw-sync: Fix the is-signaled test to handle u32 wraparound
commit 61894b02716f122dd7662d5d89f5b2245ca551e2 upstream.
Use the canonical __dma_fence_is_later() to compare the fence seqno
against the timeline seqno to check if the fence is signaled.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Gustavo Padovan <gustavo@padovan.org>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170629125930.821-2-chris@chris-wilson.co.uk
[s/dma_fence/fence/g - gregkh]
Cc: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/dma-buf')
| -rw-r--r-- | drivers/dma-buf/sw_sync.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/dma-buf/sw_sync.c b/drivers/dma-buf/sw_sync.c index 62e8e6dc7953..77ede2a0fd5a 100644 --- a/drivers/dma-buf/sw_sync.c +++ b/drivers/dma-buf/sw_sync.c @@ -219,7 +219,7 @@ static bool timeline_fence_signaled(struct fence *fence) { struct sync_timeline *parent = fence_parent(fence); - return (fence->seqno > parent->value) ? false : true; + return !__fence_is_later(fence->seqno, parent->value); } static bool timeline_fence_enable_signaling(struct fence *fence) |