iommu/vt-d: Fix reference count in iommu_prepare_isa

Decrease the device reference count avoid memory leak. Signed-off-by: Yijing Wang <wangyijing@huawei.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
mariux64 · Jul 4, 2014 · 9b27e82 · 9b27e82
1 parent e16922a
commit 9b27e82
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
@@ -2403,6 +2403,7 @@ static inline void iommu_prepare_isa(void)
 		printk(KERN_ERR "IOMMU: Failed to create 0-16MiB identity map; "
 		       "floppy might not work\n");
 
+	pci_dev_put(pdev);
 }
 #else
 static inline void iommu_prepare_isa(void)