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sysctl: treewide: drop unused argument ctl_table_root::set_ownership(table)

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Remove the 'table' argument from set_ownership as it is never used. This
change is a step towards putting "struct ctl_table" into .rodata and
eventually having sysctl core only use "const struct ctl_table".

The patch was created with the following coccinelle script:

  @@
  identifier func, head, table, uid, gid;
  @@

  void func(
    struct ctl_table_header *head,
  - struct ctl_table *table,
    kuid_t *uid, kgid_t *gid)
  { ... }

No additional occurrences of 'set_ownership' were found after doing a
tree-wide search.

Reviewed-by: Joel Granados <j.granados@samsung.com>
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Joel Granados <j.granados@samsung.com>
This commit is contained in:
Thomas Weißschuh 2024-03-15 19:11:30 +01:00 committed by Joel Granados
parent 1adb825af9
commit 520713a93d
5 changed files with 3 additions and 7 deletions
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2
fs/proc/proc_sysctl.c
View File

@ -480,7 +480,7 @@ static struct inode *proc_sys_make_inode(struct super_block *sb,
}
if (root->set_ownership)
root->set_ownership(head, table, &inode->i_uid, &inode->i_gid);
root->set_ownership(head, &inode->i_uid, &inode->i_gid);
else {
inode->i_uid = GLOBAL_ROOT_UID;
inode->i_gid = GLOBAL_ROOT_GID;

1
include/linux/sysctl.h
View File

@ -205,7 +205,6 @@ struct ctl_table_root {
struct ctl_table_set default_set;
struct ctl_table_set *(*lookup)(struct ctl_table_root *root);
void (*set_ownership)(struct ctl_table_header *head,
struct ctl_table *table,
kuid_t *uid, kgid_t *gid);
int (*permissions)(struct ctl_table_header *head, struct ctl_table *table);
};

3
ipc/ipc_sysctl.c
View File

@ -192,7 +192,6 @@ static int set_is_seen(struct ctl_table_set *set)
}
static void ipc_set_ownership(struct ctl_table_header *head,
struct ctl_table *table,
kuid_t *uid, kgid_t *gid)
{
struct ipc_namespace *ns =
@ -224,7 +223,7 @@ static int ipc_permissions(struct ctl_table_header *head, struct ctl_table *tabl
kuid_t ns_root_uid;
kgid_t ns_root_gid;
ipc_set_ownership(head, table, &ns_root_uid, &ns_root_gid);
ipc_set_ownership(head, &ns_root_uid, &ns_root_gid);
if (uid_eq(current_euid(), ns_root_uid))
mode >>= 6;

3
ipc/mq_sysctl.c
View File

@ -78,7 +78,6 @@ static int set_is_seen(struct ctl_table_set *set)
}
static void mq_set_ownership(struct ctl_table_header *head,
struct ctl_table *table,
kuid_t *uid, kgid_t *gid)
{
struct ipc_namespace *ns =
@ -97,7 +96,7 @@ static int mq_permissions(struct ctl_table_header *head, struct ctl_table *table
kuid_t ns_root_uid;
kgid_t ns_root_gid;
mq_set_ownership(head, table, &ns_root_uid, &ns_root_gid);
mq_set_ownership(head, &ns_root_uid, &ns_root_gid);
if (uid_eq(current_euid(), ns_root_uid))
mode >>= 6;

1
net/sysctl_net.c
View File

@ -54,7 +54,6 @@ static int net_ctl_permissions(struct ctl_table_header *head,
}
static void net_ctl_set_ownership(struct ctl_table_header *head,
struct ctl_table *table,
kuid_t *uid, kgid_t *gid)
{
struct net *net = container_of(head->set, struct net, sysctls);