diff options
| author | Thomas Weißschuh <linux@weissschuh.net> | 2024-08-05 12:39:38 +0300 |
|---|---|---|
| committer | Joel Granados <joel.granados@kernel.org> | 2024-10-09 14:39:11 +0300 |
| commit | 7abc9b53bd515d7953d1f4e069b062ec4b5ba9e7 (patch) | |
| tree | 82b8b185321a48d2d32ad9c08183e39e9a22c070 /include | |
| parent | 29e1095bb1ad149b5c417719338d9c81d58bf12b (diff) | |
| download | linux-7abc9b53bd515d7953d1f4e069b062ec4b5ba9e7.tar.xz | |
sysctl: allow registration of const struct ctl_table
Putting structure, especially those containing function pointers,
into read-only memory makes the safer and easier to reason about.
Change the sysctl registration APIs to allow registration of
"const struct ctl_table".
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Kees Cook <keescook@chromium.org> # security/*
Signed-off-by: Joel Granados <joel.granados@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/sysctl.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h index a473deaf5a91..202855befa8b 100644 --- a/include/linux/sysctl.h +++ b/include/linux/sysctl.h @@ -223,13 +223,13 @@ extern void retire_sysctl_set(struct ctl_table_set *set); struct ctl_table_header *__register_sysctl_table( struct ctl_table_set *set, - const char *path, struct ctl_table *table, size_t table_size); -struct ctl_table_header *register_sysctl_sz(const char *path, struct ctl_table *table, + const char *path, const struct ctl_table *table, size_t table_size); +struct ctl_table_header *register_sysctl_sz(const char *path, const struct ctl_table *table, size_t table_size); void unregister_sysctl_table(struct ctl_table_header * table); extern int sysctl_init_bases(void); -extern void __register_sysctl_init(const char *path, struct ctl_table *table, +extern void __register_sysctl_init(const char *path, const struct ctl_table *table, const char *table_name, size_t table_size); #define register_sysctl_init(path, table) \ __register_sysctl_init(path, table, #table, ARRAY_SIZE(table)) @@ -251,7 +251,7 @@ extern int no_unaligned_warning; #else /* CONFIG_SYSCTL */ -static inline void register_sysctl_init(const char *path, struct ctl_table *table) +static inline void register_sysctl_init(const char *path, const struct ctl_table *table) { } @@ -261,7 +261,7 @@ static inline struct ctl_table_header *register_sysctl_mount_point(const char *p } static inline struct ctl_table_header *register_sysctl_sz(const char *path, - struct ctl_table *table, + const struct ctl_table *table, size_t table_size) { return NULL; |