[tip:x86/urgent] x86/amd-iommu: Remove double NULL check in check_device

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Commit-ID:  339d3261aa3eb0e12f68ef868e042c1ca03628f7
Gitweb:     http://git.kernel.org/tip/339d3261aa3eb0e12f68ef868e042c1ca03628f7
Author:     Julia Lawall <julia@xxxxxxx>
AuthorDate: Sat, 6 Feb 2010 09:42:39 +0100
Committer:  Joerg Roedel <joerg.roedel@xxxxxxx>
CommitDate: Mon, 1 Mar 2010 13:24:45 +0100

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@xxxxxxx>
Signed-off-by: Joerg Roedel <joerg.roedel@xxxxxxx>
---
 arch/x86/kernel/amd_iommu.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

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);
--
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