[PATCH] sparc: kernel/sbus.c: fix memory leakage

Cong Ding
2013-01-14T21:36:27Z

the variable iommu and strbuf are not freed if it goes to error.

Signed-off-by: Cong Ding <dinggnu@gmail.com>
---
arch/sparc/kernel/sbus.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/sparc/kernel/sbus.c b/arch/sparc/kernel/sbus.c
index 1271b3a..0b66e53 100644
--- a/arch/sparc/kernel/sbus.c
+++ b/arch/sparc/kernel/sbus.c
@@ -555,10 +555,10 @@ static void __init sbus_iommu_init(struct platform_device *op)

iommu = kzalloc(sizeof(*iommu), GFP_ATOMIC);
if (!iommu)
- goto fatal_memory_error;
+ goto fatal_iommu_memory_error;
strbuf = kzalloc(sizeof(*strbuf), GFP_ATOMIC);
if (!strbuf)
- goto fatal_memory_error;
+ goto fatal_strbuf_memory_error;

op->dev.archdata.iommu = iommu;
op->dev.archdata.stc = strbuf;
@@ -656,6 +656,10 @@ static void __init sbus_iommu_init(struct platform_device *op)
return;

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

--
1.7.9.5