[Intel-gfx] [PATCH] drm/i915/selftest: Fix potential memory leak

[Intel-gfx] [PATCH] drm/i915/selftest: Fix potential memory leak

[Pan Bian]

Object out is not released on path that no VMA instance found. The root
cause is jumping to an unexpected label on the error path.

Fixes: a47e788c2310 ("drm/i915/selftests: Exercise CS TLB invalidation")
Signed-off-by: Pan Bian <bianpan2016@163.com>
---
 drivers/gpu/drm/i915/selftests/i915_gem_gtt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
index c53a222e3dec..713770fb2b92 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
@@ -1880,7 +1880,7 @@ static int igt_cs_tlb(void *arg)
 	vma = i915_vma_instance(out, vm, NULL);
 	if (IS_ERR(vma)) {
 		err = PTR_ERR(vma);
-		goto out_put_batch;
+		goto out_put_out;
 	}
 
 	err = i915_vma_pin(vma, 0, 0,
-- 
2.17.1


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Re: [Intel-gfx] [PATCH] drm/i915/selftest: Fix potential memory leak

[Chris Wilson]

Quoting Pan Bian (2021-01-22 01:56:40)
> Object out is not released on path that no VMA instance found. The root
> cause is jumping to an unexpected label on the error path.

Wouldn't the root cause be whatever caused the allocation to fail?

Language notwithstanding,
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
-Chris
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[Intel-gfx] ✗ Fi.CI.BAT: failure for drm/i915/selftest: Fix potential memory leak

[Patchwork]

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== Series Details ==

Series: drm/i915/selftest: Fix potential memory leak
URL   : https://patchwork.freedesktop.org/series/86181/
State : failure

== Summary ==

Applying: drm/i915/selftest: Fix potential memory leak
Using index info to reconstruct a base tree...
M	drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
Falling back to patching base and 3-way merge...
Auto-merging drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
No changes -- Patch already applied.



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