security: remove dead hook task_setgroups

Unused hook.  Remove.

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>

diff --git a/include/linux/security.h b/include/linux/security.h
index 04ce0d6e4edfe8ac4a3828ee8d7bf8db8035b1c5..73505f0c9b75685b7a839a4b3701ca09e6d2f19a 100644 (file)
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -704,11 +704,6 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *     @p contains the task_struct for the process and place is into @secid.
  *     In case of failure, @secid will be set to zero.
  *
- * @task_setgroups:
- *     Check permission before setting the supplementary group set of the
- *     current process.
- *     @group_info contains the new group information.
- *     Return 0 if permission is granted.
  * @task_setnice:
  *     Check permission before setting the nice value of @p to @nice.
  *     @p contains the task_struct of process.
@@ -1518,7 +1513,6 @@ struct security_operations {
        int (*task_getpgid) (struct task_struct *p);
        int (*task_getsid) (struct task_struct *p);
        void (*task_getsecid) (struct task_struct *p, u32 *secid);
-       int (*task_setgroups) (struct group_info *group_info);
        int (*task_setnice) (struct task_struct *p, int nice);
        int (*task_setioprio) (struct task_struct *p, int ioprio);
        int (*task_getioprio) (struct task_struct *p);
@@ -1773,7 +1767,6 @@ int security_task_setpgid(struct task_struct *p, pid_t pgid);
 int security_task_getpgid(struct task_struct *p);
 int security_task_getsid(struct task_struct *p);
 void security_task_getsecid(struct task_struct *p, u32 *secid);
-int security_task_setgroups(struct group_info *group_info);
 int security_task_setnice(struct task_struct *p, int nice);
 int security_task_setioprio(struct task_struct *p, int ioprio);
 int security_task_getioprio(struct task_struct *p);
@@ -2329,11 +2322,6 @@ static inline void security_task_getsecid(struct task_struct *p, u32 *secid)
        *secid = 0;
 }
 
-static inline int security_task_setgroups(struct group_info *group_info)
-{
-       return 0;
-}
-
 static inline int security_task_setnice(struct task_struct *p, int nice)
 {
        return cap_task_setnice(p, nice);

diff --git a/kernel/groups.c b/kernel/groups.c
index 2b45b2ee3964f47b6470a791d366842e8437048e..53b1916c94926c245aacd17ccb420fc00d06a19b 100644 (file)
--- a/kernel/groups.c
+++ b/kernel/groups.c
@@ -164,12 +164,6 @@ int groups_search(const struct group_info *group_info, gid_t grp)
  */
 int set_groups(struct cred *new, struct group_info *group_info)
 {
-       int retval;
-
-       retval = security_task_setgroups(group_info);
-       if (retval)
-               return retval;
-
        put_group_info(new->group_info);
        groups_sort(group_info);
        get_group_info(group_info);

diff --git a/security/capability.c b/security/capability.c
index 66cd7453563f9d5d0b1ec5d278d77f8a5c33d1d9..247c04edd468b12a8568bdfe0a802559f346f723 100644 (file)
--- a/security/capability.c
+++ b/security/capability.c
@@ -412,11 +412,6 @@ static void cap_task_getsecid(struct task_struct *p, u32 *secid)
        *secid = 0;
 }
 
-static int cap_task_setgroups(struct group_info *group_info)
-{
-       return 0;
-}
-
 static int cap_task_getioprio(struct task_struct *p)
 {
        return 0;
@@ -967,7 +962,6 @@ void security_fixup_ops(struct security_operations *ops)
        set_to_cap_if_null(ops, task_getpgid);
        set_to_cap_if_null(ops, task_getsid);
        set_to_cap_if_null(ops, task_getsecid);
-       set_to_cap_if_null(ops, task_setgroups);
        set_to_cap_if_null(ops, task_setnice);
        set_to_cap_if_null(ops, task_setioprio);
        set_to_cap_if_null(ops, task_getioprio);

diff --git a/security/security.c b/security/security.c
index 1e35dd669209b4a03638b1698daf9e07b381413d..5cf9ca6890f6d6dcb76edc7d4dbcc9b9bb6ea012 100644 (file)
--- a/security/security.c
+++ b/security/security.c
@@ -759,11 +759,6 @@ void security_task_getsecid(struct task_struct *p, u32 *secid)
 }
 EXPORT_SYMBOL(security_task_getsecid);
 
-int security_task_setgroups(struct group_info *group_info)
-{
-       return security_ops->task_setgroups(group_info);
-}
-
 int security_task_setnice(struct task_struct *p, int nice)
 {
        return security_ops->task_setnice(p, nice);