From: Hiroshi Doyu <hdoyu@nvidia.com>
Date: Mon, 30 Jul 2012 05:39:18 +0000 (+0300)
Subject: iommu/tegra: smmu: Cleanup with lesser nest
X-Git-Tag: firefly_0821_release~3680^2~2191^2~7
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d2453b2c7875dac9b323bff5d21981c41de177b1;p=firefly-linux-kernel-4.4.55.git

iommu/tegra: smmu: Cleanup with lesser nest

Small clean up with lesser nest for readability.

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---

diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index a9bf4c30cd84..37669cc483b1 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -814,11 +814,14 @@ static int smmu_iommu_domain_init(struct iommu_domain *domain)
 	/* Look for a free AS with lock held */
 	for  (i = 0; i < smmu->num_as; i++) {
 		as = &smmu->as[i];
-		if (!as->pdir_page) {
-			err = alloc_pdir(as);
-			if (!err)
-				goto found;
-		}
+
+		if (as->pdir_page)
+			continue;
+
+		err = alloc_pdir(as);
+		if (!err)
+			goto found;
+
 		if (err != -EAGAIN)
 			break;
 	}