From e70e9ecd7cb349d00736c594b8e9bada0a762238 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Fri, 16 Feb 2024 15:40:24 +0100 Subject: iommu: constify pointer to bus_type Make pointer to bus_type a pointer to const for code safety. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Lu Baolu Link: https://lore.kernel.org/r/20240216144027.185959-1-krzysztof.kozlowski@linaro.org Signed-off-by: Joerg Roedel --- drivers/iommu/iommu-priv.h | 5 +++-- drivers/iommu/iommu.c | 5 +++-- 2 files changed, 6 insertions(+), 4 deletions(-) (limited to 'drivers/iommu') 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; -- cgit v1.2.3