On 16/01/2013 22:01, Cong Ding wrote:
the variable iommu and strbuf are not freed if it goes to error.

Signed-off-by: Cong Ding <ding...@gmail.com>
---
  arch/sparc/kernel/sbus.c |    2 ++
  1 file changed, 2 insertions(+)

diff --git a/arch/sparc/kernel/sbus.c b/arch/sparc/kernel/sbus.c
index 1271b3a..78aa26b 100644
--- a/arch/sparc/kernel/sbus.c
+++ b/arch/sparc/kernel/sbus.c
@@ -656,6 +656,8 @@ static void __init sbus_iommu_init(struct platform_device 
*op)
        return;

  fatal_memory_error:
+       kfree(strbuf);

strbuf will be uninitialized if the iommu allocation fails. I don't have a particular preference for how to fix this but tend to dislike initial assignment with NULL because it hides other control flow issues.

Regards

Richard

+       kfree(iommu);
        prom_printf("sbus_iommu_init: Fatal memory allocation error.\n");
  }


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