lockd: Add helper to sanity check incoming NOTIFY requests

[pandora-kernel.git] / fs / lockd / svc4proc.c

diff --git a/fs/lockd/svc4proc.c b/fs/lockd/svc4proc.c
index 50ee8eb..014f6ce 100644 (file)
--- a/fs/lockd/svc4proc.c
+++ b/fs/lockd/svc4proc.c
@@ -421,11 +421,9 @@ nlm4svc_proc_sm_notify(struct svc_rqst *rqstp, struct nlm_reboot *argp,
 {
        struct sockaddr_in      saddr;
 
-       memcpy(&saddr, svc_addr_in(rqstp), sizeof(saddr));
-
        dprintk("lockd: SM_NOTIFY     called\n");
-       if (saddr.sin_addr.s_addr != htonl(INADDR_LOOPBACK)
-        || ntohs(saddr.sin_port) >= 1024) {
+
+       if (!nlm_privileged_requester(rqstp)) {
                char buf[RPC_MAX_ADDRBUFLEN];
                printk(KERN_WARNING "lockd: rejected NSM callback from %s\n",
                                svc_print_addr(rqstp, buf, sizeof(buf)));