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sysctl: Add size arg to __register_sysctl_init

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This commit adds table_size to __register_sysctl_init in preparation for
the removal of the sentinel elements in the ctl_table arrays (last empty
markers). And though we do *not* remove any sentinels in this commit, we
set things up by calculating the ctl_table array size with ARRAY_SIZE.

We add a table_size argument to __register_sysctl_init and modify the
register_sysctl_init macro to calculate the array size with ARRAY_SIZE.
The original callers do not need to be updated as they will go through
the new macro.

Signed-off-by: Joel Granados <j.granados@samsung.com>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
This commit is contained in:
Joel Granados
2023-08-09 12:49:59 +02:00
committed by Luis Chamberlain
parent 9edbfe92a0
commit 3bc269cfd3
2 changed files with 6 additions and 11 deletions
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include/linux/sysctl.h
+3 -2
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@@ -236,8 +236,9 @@ 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,
const char *table_name);
#define register_sysctl_init(path, table) __register_sysctl_init(path, 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))
extern struct ctl_table_header *register_sysctl_mount_point(const char *path);
void do_sysctl_args(void);