[PATCH] No need to protect current->group_info in sys_getgroups(), in_group_p() and...

[deliverable/linux.git] / kernel / sys.c

diff --git a/kernel/sys.c b/kernel/sys.c
index 421009cedb51fc97a43b66333299e5217b4bc57f..119fb0d9e24ef231e4dda0a9c7c8b20a023c5314 100644 (file)
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1421,7 +1421,6 @@ asmlinkage long sys_getgroups(int gidsetsize, gid_t __user *grouplist)
                return -EINVAL;
 
        /* no need to grab task_lock here; it cannot change */
-       get_group_info(current->group_info);
        i = current->group_info->ngroups;
        if (gidsetsize) {
                if (i > gidsetsize) {
@@ -1434,7 +1433,6 @@ asmlinkage long sys_getgroups(int gidsetsize, gid_t __user *grouplist)
                }
        }
 out:
-       put_group_info(current->group_info);
        return i;
 }
 
@@ -1475,9 +1473,7 @@ int in_group_p(gid_t grp)
 {
        int retval = 1;
        if (grp != current->fsgid) {
-               get_group_info(current->group_info);
                retval = groups_search(current->group_info, grp);
-               put_group_info(current->group_info);
        }
        return retval;
 }
@@ -1488,9 +1484,7 @@ int in_egroup_p(gid_t grp)
 {
        int retval = 1;
        if (grp != current->egid) {
-               get_group_info(current->group_info);
                retval = groups_search(current->group_info, grp);
-               put_group_info(current->group_info);
        }
        return retval;
 }