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authorFabian Frederick <fabf@skynet.be>2014-06-29 10:01:26 +0200
committerJoerg Roedel <jroedel@suse.de>2014-07-04 13:08:23 +0200
commit34df6ab7956a18a2ff7f1bb15d5e9b966602a93b (patch)
tree9fe400a158720a0844cd9eb75f78e6913edfd231 /drivers/iommu
parent4c834452aad01531db949414f94f817a86348d59 (diff)
iommu/fsl_pamu: Remove unnecessary null test before kfree
Fix checkpatch warning: WARNING: kfree(NULL) is safe this check is probably not required Cc: Joerg Roedel <joro@8bytes.org> Cc: Grant Likely <grant.likely@linaro.org> Cc: iommu@lists.linux-foundation.org Cc: devicetree@vger.kernel.org Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/fsl_pamu_domain.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/iommu/fsl_pamu_domain.c b/drivers/iommu/fsl_pamu_domain.c
index 93072ba44b1d..0009dffe8000 100644
--- a/drivers/iommu/fsl_pamu_domain.c
+++ b/drivers/iommu/fsl_pamu_domain.c
@@ -1118,8 +1118,7 @@ static int fsl_pamu_set_windows(struct iommu_domain *domain, u32 w_count)
ret = pamu_set_domain_geometry(dma_domain, &domain->geometry,
((w_count > 1) ? w_count : 0));
if (!ret) {
- if (dma_domain->win_arr)
- kfree(dma_domain->win_arr);
+ kfree(dma_domain->win_arr);
dma_domain->win_arr = kzalloc(sizeof(struct dma_window) *
w_count, GFP_ATOMIC);
if (!dma_domain->win_arr) {