diff options
| -rw-r--r-- | net/ipv4/ping.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index 46f8f3f..1fd3ed8 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -203,26 +203,33 @@ static int ping_init_sock(struct sock *sk) struct net *net = sock_net(sk); gid_t group = current_egid(); gid_t range[2]; - struct group_info *group_info = get_current_groups(); - int i, j, count = group_info->ngroups; + struct group_info *group_info; + int i, j, count; + int ret = 0; inet_get_ping_group_range_net(net, range, range+1); if (range[0] <= group && group <= range[1]) return 0; + group_info = get_current_groups(); + count = group_info->ngroups; for (i = 0; i < group_info->nblocks; i++) { int cp_count = min_t(int, NGROUPS_PER_BLOCK, count); for (j = 0; j < cp_count; j++) { group = group_info->blocks[i][j]; if (range[0] <= group && group <= range[1]) - return 0; + goto out_release_group; } count -= cp_count; } - return -EACCES; + ret = -EACCES; + +out_release_group: + put_group_info(group_info); + return ret; } static void ping_close(struct sock *sk, long timeout) |