summaryrefslogtreecommitdiffstats
path: root/drivers/iommu/dmar.c
diff options
context:
space:
mode:
authorJiang Liu <jiang.liu@linux.intel.com>2014-01-06 07:18:26 +0100
committerJoerg Roedel <joro@8bytes.org>2014-01-09 12:44:16 +0100
commitb707cb027edf5b7ff1b8637c184b9a58d74e5159 (patch)
tree6262a1626449d392faa3d7c59aa54d9c81280a03 /drivers/iommu/dmar.c
parentiommu/vt-d: fix wrong return value of dmar_table_init() (diff)
downloadlinux-b707cb027edf5b7ff1b8637c184b9a58d74e5159.tar.xz
linux-b707cb027edf5b7ff1b8637c184b9a58d74e5159.zip
iommu/vt-d, trivial: clean sparse warnings
Clean up most sparse warnings in Intel DMA and interrupt remapping drivers. Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Signed-off-by: Joerg Roedel <joro@8bytes.org>
Diffstat (limited to 'drivers/iommu/dmar.c')
-rw-r--r--drivers/iommu/dmar.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index 753c7ecf66a8..158156543410 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -572,7 +572,7 @@ int __init detect_intel_iommu(void)
x86_init.iommu.iommu_init = intel_iommu_init;
#endif
}
- early_acpi_os_unmap_memory(dmar_tbl, dmar_tbl_size);
+ early_acpi_os_unmap_memory((void __iomem *)dmar_tbl, dmar_tbl_size);
dmar_tbl = NULL;
return ret ? 1 : -ENODEV;
@@ -1064,7 +1064,7 @@ int dmar_enable_qi(struct intel_iommu *iommu)
desc_page = alloc_pages_node(iommu->node, GFP_ATOMIC | __GFP_ZERO, 0);
if (!desc_page) {
kfree(qi);
- iommu->qi = 0;
+ iommu->qi = NULL;
return -ENOMEM;
}
@@ -1074,7 +1074,7 @@ int dmar_enable_qi(struct intel_iommu *iommu)
if (!qi->desc_status) {
free_page((unsigned long) qi->desc);
kfree(qi);
- iommu->qi = 0;
+ iommu->qi = NULL;
return -ENOMEM;
}