diff mbox series

[v2,03/18] sysctl: drop sysctl_is_perm_empty_ctl_table

Message ID 20231204-const-sysctl-v2-3-7a5060b11447@weissschuh.net (mailing list archive)
State Handled Elsewhere
Headers show
Series sysctl: constify sysctl ctl_tables | expand

Commit Message

Thomas Weißschuh Dec. 4, 2023, 7:52 a.m. UTC
It is used only once and that caller would be simpler with
sysctl_is_perm_empty_ctl_header().
So use this sibling function.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
---
 fs/proc/proc_sysctl.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

Comments

Joel Granados Dec. 7, 2023, 2:09 p.m. UTC | #1
If you are separating the work for permanently empty directories, you
can add this patch to that set. as well as  2/18

Best
On Mon, Dec 04, 2023 at 08:52:16AM +0100, Thomas Weißschuh wrote:
> It is used only once and that caller would be simpler with
> sysctl_is_perm_empty_ctl_header().
> So use this sibling function.
> 
> Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
> ---
>  fs/proc/proc_sysctl.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
> index 8064ea76f80b..689a30196d0c 100644
> --- a/fs/proc/proc_sysctl.c
> +++ b/fs/proc/proc_sysctl.c
> @@ -48,10 +48,8 @@ struct ctl_table_header *register_sysctl_mount_point(const char *path)
>  }
>  EXPORT_SYMBOL(register_sysctl_mount_point);
>  
> -#define sysctl_is_perm_empty_ctl_table(tptr)		\
> -	(tptr[0].type == SYSCTL_TABLE_TYPE_PERMANENTLY_EMPTY)
>  #define sysctl_is_perm_empty_ctl_header(hptr)		\
> -	(sysctl_is_perm_empty_ctl_table(hptr->ctl_table))
> +	(hptr->ctl_table[0].type == SYSCTL_TABLE_TYPE_PERMANENTLY_EMPTY)
>  #define sysctl_set_perm_empty_ctl_header(hptr)		\
>  	(hptr->ctl_table[0].type = SYSCTL_TABLE_TYPE_PERMANENTLY_EMPTY)
>  #define sysctl_clear_perm_empty_ctl_header(hptr)	\
> @@ -233,7 +231,7 @@ static int insert_header(struct ctl_dir *dir, struct ctl_table_header *header)
>  		return -EROFS;
>  
>  	/* Am I creating a permanently empty directory? */
> -	if (sysctl_is_perm_empty_ctl_table(header->ctl_table)) {
> +	if (sysctl_is_perm_empty_ctl_header(header)) {
>  		if (!RB_EMPTY_ROOT(&dir->root))
>  			return -EINVAL;
>  		sysctl_set_perm_empty_ctl_header(dir_h);
> 
> -- 
> 2.43.0
>
diff mbox series

Patch

diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 8064ea76f80b..689a30196d0c 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -48,10 +48,8 @@  struct ctl_table_header *register_sysctl_mount_point(const char *path)
 }
 EXPORT_SYMBOL(register_sysctl_mount_point);
 
-#define sysctl_is_perm_empty_ctl_table(tptr)		\
-	(tptr[0].type == SYSCTL_TABLE_TYPE_PERMANENTLY_EMPTY)
 #define sysctl_is_perm_empty_ctl_header(hptr)		\
-	(sysctl_is_perm_empty_ctl_table(hptr->ctl_table))
+	(hptr->ctl_table[0].type == SYSCTL_TABLE_TYPE_PERMANENTLY_EMPTY)
 #define sysctl_set_perm_empty_ctl_header(hptr)		\
 	(hptr->ctl_table[0].type = SYSCTL_TABLE_TYPE_PERMANENTLY_EMPTY)
 #define sysctl_clear_perm_empty_ctl_header(hptr)	\
@@ -233,7 +231,7 @@  static int insert_header(struct ctl_dir *dir, struct ctl_table_header *header)
 		return -EROFS;
 
 	/* Am I creating a permanently empty directory? */
-	if (sysctl_is_perm_empty_ctl_table(header->ctl_table)) {
+	if (sysctl_is_perm_empty_ctl_header(header)) {
 		if (!RB_EMPTY_ROOT(&dir->root))
 			return -EINVAL;
 		sysctl_set_perm_empty_ctl_header(dir_h);