Add support to nfs_verify_server_address for recognizing AF_INET6
addresses.
Signed-off-by: Chuck Lever <[email protected]>
---
fs/nfs/super.c | 15 ++++++++++-----
1 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 6f1ed56..8bbdb85 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -576,16 +576,21 @@ static void nfs_umount_begin(struct vfsmount *vfsmnt, int flags)
}
/*
- * Sanity-check a server address provided by the mount command
+ * Sanity-check a server address provided by the mount command.
+ *
+ * Address family must be initialized, and address must not be
+ * the ANY address for that family.
*/
static int nfs_verify_server_address(struct sockaddr *addr)
{
switch (addr->sa_family) {
case AF_INET: {
- struct sockaddr_in *sa = (struct sockaddr_in *) addr;
- if (sa->sin_addr.s_addr != INADDR_ANY)
- return 1;
- break;
+ struct sockaddr_in *sa = (struct sockaddr_in *)addr;
+ return sa->sin_addr.s_addr != INADDR_ANY;
+ }
+ case AF_INET6: {
+ struct in6_addr *sa = &((struct sockaddr_in6 *)addr)->sin6_addr;
+ return !ipv6_addr_any(sa);
}
}