[PATCH v3] sparc: kernel/sbus.c: fix memory leakage

Cong Ding
2013-01-17T13:28:50Z

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

Signed-off-by: Cong Ding <dinggnu@gmail.com>
---
arch/sparc/kernel/sbus.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/sparc/kernel/sbus.c b/arch/sparc/kernel/sbus.c
index 1271b3a..be5bdf9 100644
--- a/arch/sparc/kernel/sbus.c
+++ b/arch/sparc/kernel/sbus.c
@@ -554,10 +554,8 @@ static void __init sbus_iommu_init(struct platform_device *op)
regs = pr->phys_addr;

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

op->dev.archdata.iommu = iommu;
@@ -656,6 +654,8 @@ static void __init sbus_iommu_init(struct platform_device *op)
return;

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

--
1.7.4.5