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From: Sukrut Bellary <sukrut.bellary@linux.com>
To: daniel@ffwll.ch, airlied@gmail.com, sumit.semwal@linaro.org,
	Hawking.Zhang@amd.com, Julia.Lawall@inria.fr,
	dri-devel@lists.freedesktop.org
Cc: Sukrut Bellary <sukrut.bellary@linux.com>,
	alexander.deucher@amd.com, christian.koenig@amd.com,
	Xinhui.Pan@amd.com, amd-gfx@lists.freedesktop.org,
	linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
	linaro-mm-sig@lists.linaro.org
Subject: [PATCH] drm:amd:amdgpu: Fix missing bo unlock in failure path
Date: Sun, 23 Apr 2023 22:59:10 -0700	[thread overview]
Message-ID: <20230424055910.15683-1-sukrut.bellary@linux.com> (raw)

smatch warning - inconsistent handling of buffer object reserve
and unreserve.

Signed-off-by: Sukrut Bellary <sukrut.bellary@linux.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 278416acf060..5de44d7e92de 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -4686,8 +4686,10 @@ static int gfx_v8_0_kiq_resume(struct amdgpu_device *adev)
 		return r;
 
 	r = amdgpu_bo_kmap(ring->mqd_obj, &ring->mqd_ptr);
-	if (unlikely(r != 0))
+	if (unlikely(r != 0)) {
+		amdgpu_bo_unreserve(ring->mqd_obj);
 		return r;
+	}
 
 	gfx_v8_0_kiq_init_queue(ring);
 	amdgpu_bo_kunmap(ring->mqd_obj);
-- 
2.34.1


             reply	other threads:[~2023-04-24  6:01 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-24  5:59 Sukrut Bellary [this message]
2023-04-24  7:07 ` Christian König
2023-04-24 15:01   ` Alex Deucher

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