From: Julia Lawall <julia@diku.dk>
Date: Sat, 6 Feb 2010 08:42:39 +0000 (+0100)
Subject: x86/amd-iommu: Remove double NULL check in check_device
X-Git-Tag: upstream/snapshot3+hdmi~14828^2^2~2^2~9
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=339d3261aa3eb0e12f68ef868e042c1ca03628f7;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

x86/amd-iommu: Remove double NULL check in check_device

dev was tested just above, so drop the second test.

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---

diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index adb0ba0..2c4a501 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -118,7 +118,7 @@ static bool check_device(struct device *dev)
 		return false;
 
 	/* No device or no PCI device */
-	if (!dev || dev->bus != &pci_bus_type)
+	if (dev->bus != &pci_bus_type)
 		return false;
 
 	devid = get_device_id(dev);