From: Qiang Yu <yuq825@gmail.com>
To: dri-devel@lists.freedesktop.org
Cc: lima@lists.freedesktop.org,
"Sumit Semwal" <sumit.semwal@linaro.org>,
linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org,
"Qiang Yu" <yuq825@gmail.com>,
"Christian König" <christian.koenig@amd.com>
Subject: [PATCH] dma-buf/resv: fix exclusive fence get
Date: Sun, 22 Sep 2019 15:49:00 +0800 [thread overview]
Message-ID: <20190922074900.853-1-yuq825@gmail.com> (raw)
This causes kernel crash when testing lima driver.
Cc: Christian König <christian.koenig@amd.com>
Fixes: b8c036dfc66f ("dma-buf: simplify reservation_object_get_fences_rcu a bit")
Signed-off-by: Qiang Yu <yuq825@gmail.com>
---
drivers/dma-buf/dma-resv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/dma-buf/dma-resv.c b/drivers/dma-buf/dma-resv.c
index 42a8f3f11681..709002515550 100644
--- a/drivers/dma-buf/dma-resv.c
+++ b/drivers/dma-buf/dma-resv.c
@@ -471,7 +471,7 @@ int dma_resv_get_fences_rcu(struct dma_resv *obj,
if (pfence_excl)
*pfence_excl = fence_excl;
else if (fence_excl)
- shared[++shared_count] = fence_excl;
+ shared[shared_count++] = fence_excl;
if (!shared_count) {
kfree(shared);
--
2.17.1
next reply other threads:[~2019-09-22 7:49 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-22 7:49 Qiang Yu [this message]
2019-09-22 12:17 ` [PATCH] dma-buf/resv: fix exclusive fence get Chris Wilson
2019-09-22 12:50 ` Chris Wilson
2019-10-10 14:27 ` Qiang Yu
2019-10-10 14:33 ` Koenig, Christian
2019-09-30 7:22 ` Daniel Vetter
2019-09-30 8:57 ` Koenig, Christian
2019-10-08 16:43 ` Daniel Vetter
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