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authorKrzysztof Kozlowski2024-02-16 15:40:24 +0100
committerJoerg Roedel2024-03-01 13:46:57 +0100
commite70e9ecd7cb349d00736c594b8e9bada0a762238 (patch)
tree8f561fe966b47c7e7243a5a8293b70757b3aaac0 /drivers/iommu
parent3dfa64aecbafc288216b2790438d395add192c30 (diff)
iommu: constify pointer to bus_type
Make pointer to bus_type a pointer to const for code safety. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com> Link: https://lore.kernel.org/r/20240216144027.185959-1-krzysztof.kozlowski@linaro.org Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/iommu-priv.h5
-rw-r--r--drivers/iommu/iommu.c5
2 files changed, 6 insertions, 4 deletions
diff --git a/drivers/iommu/iommu-priv.h b/drivers/iommu/iommu-priv.h
index 2024a2313348..5f731d994803 100644
--- a/drivers/iommu/iommu-priv.h
+++ b/drivers/iommu/iommu-priv.h
@@ -21,10 +21,11 @@ int iommu_group_replace_domain(struct iommu_group *group,
struct iommu_domain *new_domain);
int iommu_device_register_bus(struct iommu_device *iommu,
- const struct iommu_ops *ops, struct bus_type *bus,
+ const struct iommu_ops *ops,
+ const struct bus_type *bus,
struct notifier_block *nb);
void iommu_device_unregister_bus(struct iommu_device *iommu,
- struct bus_type *bus,
+ const struct bus_type *bus,
struct notifier_block *nb);
#endif /* __LINUX_IOMMU_PRIV_H */
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 35dac3e4629a..fa329bcd60e6 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -289,7 +289,7 @@ EXPORT_SYMBOL_GPL(iommu_device_unregister);
#if IS_ENABLED(CONFIG_IOMMUFD_TEST)
void iommu_device_unregister_bus(struct iommu_device *iommu,
- struct bus_type *bus,
+ const struct bus_type *bus,
struct notifier_block *nb)
{
bus_unregister_notifier(bus, nb);
@@ -303,7 +303,8 @@ EXPORT_SYMBOL_GPL(iommu_device_unregister_bus);
* some memory to hold a notifier_block.
*/
int iommu_device_register_bus(struct iommu_device *iommu,
- const struct iommu_ops *ops, struct bus_type *bus,
+ const struct iommu_ops *ops,
+ const struct bus_type *bus,
struct notifier_block *nb)
{
int err;