15 struct group_info *groups_alloc(int gidsetsize)  in groups_alloc()
17 	struct group_info *gi;  in groups_alloc()
20 	len = sizeof(struct group_info) + sizeof(kgid_t) * gidsetsize;  in groups_alloc()
34 void groups_free(struct group_info *group_info)  in groups_free()  argument
36 	kvfree(group_info);  in groups_free()
43 			  const struct group_info *group_info)  in groups_to_user()  argument
47 	unsigned int count = group_info->ngroups;  in groups_to_user()
51 		gid = from_kgid_munged(user_ns, group_info->gid[i]);  in groups_to_user()
59 static int groups_from_user(struct group_info *group_info,  in groups_from_user()  argument
64 	unsigned int count = group_info->ngroups;  in groups_from_user()
76 		group_info->gid[i] = kgid;  in groups_from_user()
89 void groups_sort(struct group_info *group_info)  in groups_sort()  argument
91 	sort(group_info->gid, group_info->ngroups, sizeof(*group_info->gid),  in groups_sort()
97 int groups_search(const struct group_info *group_info, kgid_t grp)  in groups_search()  argument
101 	if (!group_info)  in groups_search()
105 	right = group_info->ngroups;  in groups_search()
108 		if (gid_gt(grp, group_info->gid[mid]))  in groups_search()
110 		else if (gid_lt(grp, group_info->gid[mid]))  in groups_search()
123 void set_groups(struct cred *new, struct group_info *group_info)  in set_groups()  argument
125 	put_group_info(new->group_info);  in set_groups()
126 	get_group_info(group_info);  in set_groups()
127 	new->group_info = group_info;  in set_groups()
139 int set_current_groups(struct group_info *group_info)  in set_current_groups()  argument
147 	set_groups(new, group_info);  in set_current_groups()
162 	i = cred->group_info->ngroups;  in SYSCALL_DEFINE2()
168 		if (groups_to_user(grouplist, cred->group_info)) {  in SYSCALL_DEFINE2()
192 	struct group_info *group_info;  in SYSCALL_DEFINE2()  local
200 	group_info = groups_alloc(gidsetsize);  in SYSCALL_DEFINE2()
201 	if (!group_info)  in SYSCALL_DEFINE2()
203 	retval = groups_from_user(group_info, grouplist);  in SYSCALL_DEFINE2()
205 		put_group_info(group_info);  in SYSCALL_DEFINE2()
209 	groups_sort(group_info);  in SYSCALL_DEFINE2()
210 	retval = set_current_groups(group_info);  in SYSCALL_DEFINE2()
211 	put_group_info(group_info);  in SYSCALL_DEFINE2()
225 		retval = groups_search(cred->group_info, grp);  in in_group_p()
237 		retval = groups_search(cred->group_info, grp);  in in_egroup_p()