From: Dan Carpenter <dan.carpenter@linaro.org>
To: Rob Clark <robdclark@chromium.org>
Cc: "Sumit Semwal" <sumit.semwal@linaro.org>,
"Gustavo Padovan" <gustavo@padovan.org>,
"Christian König" <christian.koenig@amd.com>,
"Dmitry Baryshkov" <lumag@kernel.org>,
"Pekka Paalanen" <pekka.paalanen@collabora.com>,
linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org,
linaro-mm-sig@lists.linaro.org, linux-kernel@vger.kernel.org,
kernel-janitors@vger.kernel.org
Subject: [PATCH] dma-buf/sw_sync: Decrement refcount on error in sw_sync_ioctl_get_deadline()
Date: Mon, 31 Mar 2025 12:45:11 +0300 [thread overview]
Message-ID: <5dbd6105-3acf-47ad-84d6-2920171916ac@stanley.mountain> (raw)
Call dma_fence_put(fence) before returning an error on this error path.
Fixes: 70e67aaec2f4 ("dma-buf/sw_sync: Add fence deadline support")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
---
drivers/dma-buf/sw_sync.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
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)) {
--
2.47.2
next reply other threads:[~2025-03-31 9:45 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-31 9:45 Dan Carpenter [this message]
2025-03-31 12:02 ` Christian König
2025-04-04 8:27 ` Dan Carpenter
2025-04-04 8:39 ` Christian König
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