From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Date: Fri, 21 Feb 2014 15:54:53 +0000 (+0100)
Subject: iommu/shmobile: Don't ignore the ipmmu_iommu_init() return value
X-Git-Tag: firefly_0821_release~176^2~3820^2~8^2^3^2~1
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ac1ef1fed3d2c1cd4902ecb92876cb239c97a870;p=firefly-linux-kernel-4.4.55.git

iommu/shmobile: Don't ignore the ipmmu_iommu_init() return value

The function can fail, don't ignore its error value.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
---

diff --git a/drivers/iommu/shmobile-ipmmu.c b/drivers/iommu/shmobile-ipmmu.c
index e3bc2e19b6dd..6ba611002c6f 100644
--- a/drivers/iommu/shmobile-ipmmu.c
+++ b/drivers/iommu/shmobile-ipmmu.c
@@ -117,8 +117,7 @@ static int ipmmu_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, ipmmu);
 	ipmmu_reg_write(ipmmu, IMCTR1, 0x0); /* disable TLB */
 	ipmmu_reg_write(ipmmu, IMCTR2, 0x0); /* disable PMB */
-	ipmmu_iommu_init(ipmmu);
-	return 0;
+	return ipmmu_iommu_init(ipmmu);
 }
 
 static struct platform_driver ipmmu_driver = {