diff mbox series

[V2,7/7] drm/radeon: Ensure kunmap is called on error

Message ID 20220124015409.807587-8-ira.weiny@intel.com (mailing list archive)
State New, archived
Headers show
Series DRM kmap() fixes and kmap_local_page() conversions | expand

Commit Message

Ira Weiny Jan. 24, 2022, 1:54 a.m. UTC 
From: Ira Weiny <ira.weiny@intel.com>

The default case leaves the buffer object mapped in error.

Add radeon_bo_kunmap() to that case to ensure the mapping is cleaned up.

Signed-off-by: Ira Weiny <ira.weiny@intel.com>

---
NOTE: It seems like this function could use a fair bit of refactoring
but this is the easiest way to fix the actual bug.
---
 drivers/gpu/drm/radeon/radeon_uvd.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c
index 377f9cdb5b53..7cca283f6202 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -560,6 +560,7 @@  static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
 
 	default:
 
+		radeon_bo_kunmap(bo);
 		DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
 		return -EINVAL;
 	}