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drm/amdgpu: fix memory leak

Message ID 1442566008-24649-1-git-send-email-sudipm.mukherjee@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Sudip Mukherjee Sept. 18, 2015, 8:46 a.m. UTC 
If amdgpu_ib_get() fails we returned the error code but we missed
freeing ib.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index f68b7cd..0e61074 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -455,8 +455,10 @@  int amdgpu_vm_update_page_directory(struct amdgpu_device *adev,
 		return -ENOMEM;
 
 	r = amdgpu_ib_get(ring, NULL, ndw * 4, ib);
-	if (r)
+	if (r) {
+		kfree(ib);
 		return r;
+	}
 	ib->length_dw = 0;
 
 	/* walk over the address space and update the page directory */