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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Alex Deucher <alexander.deucher@amd.com>,
        =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>,
        amd-gfx@lists.freedesktop.org,
        Emil Velikov <emil.velikov@collabora.com>,
        Sam Ravnborg <sam@ravnborg.org>,
        Thomas Zimmermann <tzimmermann@suse.de>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.8 143/464] drm/amdgpu: use the unlocked drm_gem_object_put
Date:   Mon, 17 Aug 2020 17:11:36 +0200
Message-Id: <20200817143840.663904894@linuxfoundation.org>
In-Reply-To: <20200817143833.737102804@linuxfoundation.org>
References: <20200817143833.737102804@linuxfoundation.org>
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From: Emil Velikov <emil.velikov@collabora.com>

[ Upstream commit 1a87f67a66de4ad0c0d79fd86b6c5273143387c3 ]

The driver does not hold struct_mutex, thus using the locked version of
the helper is incorrect.

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: amd-gfx@lists.freedesktop.org
Fixes: a39414716ca0 ("drm/amdgpu: add independent DMA-buf import v9")
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20200515095118.2743122-8-emil.l.velikov@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
index 43d8ed7dbd001..652c57a3b8478 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
@@ -587,7 +587,7 @@ struct drm_gem_object *amdgpu_gem_prime_import(struct drm_device *dev,
 	attach = dma_buf_dynamic_attach(dma_buf, dev->dev,
 					&amdgpu_dma_buf_attach_ops, obj);
 	if (IS_ERR(attach)) {
-		drm_gem_object_put(obj);
+		drm_gem_object_put_unlocked(obj);
 		return ERR_CAST(attach);
 	}
 
-- 
2.25.1