Commit a514a6e2 authored Feb 06, 2017 by Eric Auger Committed by Joerg Roedel Feb 06, 2017

iommu: Fix static checker warning in iommu_insert_device_resv_regions



In case the device reserved region list is void, the returned value
of iommu_insert_device_resv_regions is uninitialized. Let's return 0
in that case.

This fixes commit 6c65fb31 ("iommu: iommu_get_group_resv_regions").

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

parent 909111ba

drivers/iommu/iommu.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -205,7 +205,7 @@ iommu_insert_device_resv_regions(struct list_head *dev_resv_regions,
		struct list_head *group_resv_regions)
		{
		struct iommu_resv_region *entry;
		int ret;
		int ret = 0;

		list_for_each_entry(entry, dev_resv_regions, list) {
		ret = iommu_insert_resv_region(entry, group_resv_regions);