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 <[email protected]> Cc: Grant Likely <[email protected]> Cc: [email protected] Cc: [email protected] Signed-off-by: Fabian Frederick <[email protected]> Signed-off-by: Joerg Roedel <[email protected]>
kawasaki · Jul 4, 2014 · 34df6ab · 34df6ab
1 parent 4c83445
commit 34df6ab
Showing 1 changed file with 1 addition and 2 deletions.
diff --git 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) {