diff mbox

[1/3,v3] kernel: make groups_sort globally visible

Message ID 20171204190324.6629-2-thiago.becker@gmail.com (mailing list archive)
State Rejected, archived
Headers show

Commit Message

Thiago Becker Dec. 4, 2017, 7:03 p.m. UTC 
In preparation to move group_info sorting to the caller,
make group_sort globally visible.

Signed-off-by: Thiago Rafael Becker <thiago.becker@gmail.com>
---
 include/linux/cred.h | 1 +
 kernel/groups.c      | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/include/linux/cred.h b/include/linux/cred.h
index 099058e..6312865 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -83,6 +83,7 @@  extern int set_current_groups(struct group_info *);
 extern void set_groups(struct cred *, struct group_info *);
 extern int groups_search(const struct group_info *, kgid_t);
 extern bool may_setgroups(void);
+extern void groups_sort(struct group_info *group_info);
 
 /*
  * The security context of a task
diff --git a/kernel/groups.c b/kernel/groups.c
index e357bc8..4c9c9ed 100644
--- a/kernel/groups.c
+++ b/kernel/groups.c
@@ -86,11 +86,13 @@  static int gid_cmp(const void *_a, const void *_b)
 	return gid_gt(a, b) - gid_lt(a, b);
 }
 
-static void groups_sort(struct group_info *group_info)
+void groups_sort(struct group_info *group_info)
 {
 	sort(group_info->gid, group_info->ngroups, sizeof(*group_info->gid),
 	     gid_cmp, NULL);
 }
+EXPORT_SYMBOL(groups_sort);
+
 
 /* a simple bsearch */
 int groups_search(const struct group_info *group_info, kgid_t grp)