| Message ID | 20250318152847.30380-1-linmq006@gmail.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | dma-buf/sw_sync: Fix refcount leak in sw_sync_ioctl_get_deadline | expand |
diff --git a/drivers/dma-buf/sw_sync.c b/drivers/dma-buf/sw_sync.c index f5905d67dedb..b7615c5c6cac 100644 --- a/drivers/dma-buf/sw_sync.c +++ b/drivers/dma-buf/sw_sync.c @@ -438,8 +438,10 @@ static int sw_sync_ioctl_get_deadline(struct sync_timeline *obj, unsigned long a return -EINVAL; pt = dma_fence_to_sync_pt(fence); - if (!pt) + if (!pt) { + dma_fence_put(fence); return -EINVAL; + } spin_lock_irqsave(fence->lock, flags); if (test_bit(SW_SYNC_HAS_DEADLINE_BIT, &fence->flags)) {
Fix reference count leak in by adding dma_fence_put() when dma_fence_to_sync_pt() fails after the call to sync_file_get_fence(). Fixes: 70e67aaec2f4 ("dma-buf/sw_sync: Add fence deadline support") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> --- drivers/dma-buf/sw_sync.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)