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sysctl: update comments to new registration APIs

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The sysctl registration APIs do not need a terminating table entry
anymore and with commit acc154691f ("sysctl: Warn on an empty procname
element") even emit warnings if such a sentinel entry is supplied.

While at it also remove the mention of "table->de" which was removed in
commit 3fbfa98112 ("[PATCH] sysctl: remove the proc_dir_entry member
for the sysctl tables") back in 2007.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Kees Cook <kees@kernel.org>
Signed-off-by: Joel Granados <joel.granados@kernel.org>
This commit is contained in:
Thomas Weißschuh
2024-08-10 19:00:35 +02:00
committed by Joel Granados
parent 7701ab7846
commit 50a191a8a1
1 changed files with 2 additions and 4 deletions
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6
include/linux/sysctl.h
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@@ -90,9 +90,7 @@ int proc_do_static_key(const struct ctl_table *table, int write, void *buffer,
/*
* Register a set of sysctl names by calling register_sysctl
* with an initialised array of struct ctl_table's. An entry with
* NULL procname terminates the table. table->de will be
* set up by the registration and need not be initialised in advance.
* with an initialised array of struct ctl_table's.
*
* sysctl names can be mirrored automatically under /proc/sys. The
* procname supplied controls /proc naming.
@@ -133,7 +131,7 @@ static inline void *proc_sys_poll_event(struct ctl_table_poll *poll)
/* A sysctl table is an array of struct ctl_table: */
struct ctl_table {
const char *procname; /* Text ID for /proc/sys, or zero */
const char *procname; /* Text ID for /proc/sys */
void *data;
int maxlen;
umode_t mode;