Messages in this thread Patch in this message | | | From | Zhouyi Zhou <> | Subject | [PATCH 1/1] NULL return of kmem_cache_zalloc should be handled | Date | Mon, 2 Dec 2013 18:29:41 +0800 |
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if iopte is NULL, iopte_free should not be called.
Signed-off-by: Zhouyi Zhou <yizhouzhou@ict.ac.cn> --- drivers/iommu/omap-iommu.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c index bcd78a7..5155714 100644 --- a/drivers/iommu/omap-iommu.c +++ b/drivers/iommu/omap-iommu.c @@ -551,7 +551,8 @@ static u32 *iopte_alloc(struct omap_iommu *obj, u32 *iopgd, u32 da) dev_vdbg(obj->dev, "%s: a new pte:%p\n", __func__, iopte); } else { /* We raced, free the reduniovant table */ - iopte_free(iopte); + if (iopte) + iopte_free(iopte); } pte_ready: -- 1.7.10.4
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