Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6

[linux-2.6-omap-h63xx.git] / include / linux / lockd / lockd.h

diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h
index 6ab0449bc8280fdec114b8c9f5cfd76254448d65..51855dfd8adb426f44f251b2e382cf493dc53081 100644 (file)
--- a/include/linux/lockd/lockd.h
+++ b/include/linux/lockd/lockd.h
@@ -291,16 +291,25 @@ static inline struct inode *nlmsvc_file_inode(struct nlm_file *file)
 static inline int __nlm_privileged_request4(const struct sockaddr *sap)
 {
        const struct sockaddr_in *sin = (struct sockaddr_in *)sap;
-       return (sin->sin_addr.s_addr == htonl(INADDR_LOOPBACK)) &&
-                       (ntohs(sin->sin_port) < 1024);
+
+       if (ntohs(sin->sin_port) > 1023)
+               return 0;
+
+       return ipv4_is_loopback(sin->sin_addr.s_addr);
 }
 
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 static inline int __nlm_privileged_request6(const struct sockaddr *sap)
 {
        const struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sap;
-       return (ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LOOPBACK) &&
-                       (ntohs(sin6->sin6_port) < 1024);
+
+       if (ntohs(sin6->sin6_port) > 1023)
+               return 0;
+
+       if (ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_MAPPED)
+               return ipv4_is_loopback(sin6->sin6_addr.s6_addr32[3]);
+
+       return ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LOOPBACK;
 }
 #else  /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */
 static inline int __nlm_privileged_request6(const struct sockaddr *sap)
@@ -337,6 +346,7 @@ static inline int __nlm_cmp_addr4(const struct sockaddr *sap1,
        return sin1->sin_addr.s_addr == sin2->sin_addr.s_addr;
 }
 
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 static inline int __nlm_cmp_addr6(const struct sockaddr *sap1,
                                  const struct sockaddr *sap2)
 {
@@ -344,6 +354,13 @@ static inline int __nlm_cmp_addr6(const struct sockaddr *sap1,
        const struct sockaddr_in6 *sin2 = (const struct sockaddr_in6 *)sap2;
        return ipv6_addr_equal(&sin1->sin6_addr, &sin2->sin6_addr);
 }
+#else  /* !(CONFIG_IPV6 || CONFIG_IPV6_MODULE) */
+static inline int __nlm_cmp_addr6(const struct sockaddr *sap1,
+                                 const struct sockaddr *sap2)
+{
+       return 0;
+}
+#endif /* !(CONFIG_IPV6 || CONFIG_IPV6_MODULE) */
 
 /*
  * Compare two host addresses