if we don't define CONFIG_IOMMU_API the
dummy functions alway return -ENODEV
or -EINVAL except three function, so convert
them to the same behavior to make consistence
Signed-off-by: Wang YanQing <udkni...@gmail.com>
---
include/linux/iommu.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index f4a49a6..16e84f6 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -210,7 +210,7 @@ static inline bool iommu_present(struct bus_type *bus)
static inline struct iommu_domain *iommu_domain_alloc(struct bus_type *bus)
{
- return NULL;
+ return ERR_PTR(-ENODEV);
}
static inline void iommu_domain_free(struct iommu_domain *domain)
@@ -275,7 +275,7 @@ static inline struct iommu_group *iommu_group_alloc(void)
static inline void *iommu_group_get_iommudata(struct iommu_group *group)
{
- return NULL;
+ return ERR_PTR(-EINVAL);
}
static inline void iommu_group_set_iommudata(struct iommu_group *group,
@@ -309,7 +309,7 @@ static inline int iommu_group_for_each_dev(struct
iommu_group *group,
static inline struct iommu_group *iommu_group_get(struct device *dev)
{
- return NULL;
+ return ERR_PTR(-ENODEV);
}
static inline void iommu_group_put(struct iommu_group *group)
--
1.7.11.1.116.g8228a23
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
