Thread (399 messages) 399 messages, 6 authors, 2020-08-18

[PATCH 5.7 125/393] drm/amdgpu: use the unlocked drm_gem_object_put

flat view
STALE2244d REVIEWED: 11 (10M)

From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2020-08-17 16:15:08
Also in: amd-gfx, lkml
Subsystem: drm drivers, radeon and amdgpu drm drivers, the rest · Maintainers: David Airlie, Simona Vetter, Alex Deucher, Christian König, Linus Torvalds

3 review trailers (1 from subsystem maintainers).

From: Emil Velikov <redacted>

[ 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 <redacted>
Acked-by: Sam Ravnborg <redacted>
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 ffeb20f11c07c..728f76cc536ee 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
@@ -552,7 +552,7 @@ 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


Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help