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[3.8,019/121] drm/radeon: memory leak on bo reservation failure. v2

Message ID 1403021714-16320-20-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa June 17, 2014, 4:13 p.m. UTC 
3.8.13.24 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Quentin Casasnovas <quentin.casasnovas@oracle.com>

commit 74073c9dd29905645feb6dee03c144657a9844cd upstream.

On bo reservation failure, we end up leaking fpriv.

v2 (chk): rebased and added missing free on vm failure as well

Fixes: 5e386b574cf7e1 ("drm/radeon: fix missing bo reservation")
Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
[ kamal: backport to 3.13-stable: omit radeon_vm_init() return check ]
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/gpu/drm/radeon/radeon_kms.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 89c85e0..32a5dae 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -460,8 +460,11 @@  int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
 		radeon_vm_init(rdev, &fpriv->vm);
 
 		r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
-		if (r)
+		if (r) {
+			radeon_vm_fini(rdev, &fpriv->vm);
+			kfree(fpriv);
 			return r;
+		}
 
 		/* map the ib pool buffer read only into
 		 * virtual address space */