NFS: Off-by-one length error in string handling

chucklever · Trond Myklebust · commit 350c73af6af5 · 2007-09-01T10:14:40.000-04:00
The hostname was getting truncated in the new text-based NFS mount API.

Signed-off-by: Chuck Lever &lt;chuck.lever@oracle.com&gt;
Signed-off-by: Trond Myklebust &lt;Trond.Myklebust@netapp.com&gt;
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
@@ -1153,7 +1153,7 @@ static int nfs_validate_mount_data(struct nfs_mount_data **options,
 		c = strchr(dev_name, ':');
 		if (c == NULL)
 			return -EINVAL;
-		len = c - dev_name - 1;
+		len = c - dev_name;
 		if (len > sizeof(data->hostname))
 			return -EINVAL;
 		strncpy(data->hostname, dev_name, len);
