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authorDan Carpenter <dan.carpenter@oracle.com>2012-06-27 13:09:18 +0400
committerJoerg Roedel <joerg.roedel@amd.com>2012-07-02 14:11:40 +0400
commit3775d4818d72081e2afa2aed2442a2b9ecfc5eab (patch)
tree41c458290c5eeb7ccad0357ad8bd5804b50c396b /drivers/iommu/amd_iommu_init.c
parent68ee6d22376411f8ec668413f1b632a34192a807 (diff)
downloadlinux-3775d4818d72081e2afa2aed2442a2b9ecfc5eab.tar.xz
iommu/amd: fix type bug in flush code
write_file_bool() modifies 32 bits of data, so "amd_iommu_unmap_flush" needs to be 32 bits as well or we'll corrupt memory. Fortunately it looks like the data is aligned with a gap after the declaration so this is harmless in production. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/iommu/amd_iommu_init.c')
-rw-r--r--drivers/iommu/amd_iommu_init.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index c04ddca7f12f..a33612f3206f 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -129,7 +129,7 @@ u16 amd_iommu_last_bdf; /* largest PCI device id we have
to handle */
LIST_HEAD(amd_iommu_unity_map); /* a list of required unity mappings
we find in ACPI */
-bool amd_iommu_unmap_flush; /* if true, flush on every unmap */
+u32 amd_iommu_unmap_flush; /* if true, flush on every unmap */
LIST_HEAD(amd_iommu_list); /* list of all AMD IOMMUs in the
system */