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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>
This commit is contained in:
Fabian Frederick 2014-06-29 10:01:26 +02:00 committed by Joerg Roedel
parent 4c834452aa
commit 34df6ab795
1 changed files with 1 additions and 2 deletions
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3
drivers/iommu/fsl_pamu_domain.c
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@ -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) {