af_key: fix buffer overread in parse_exthdrs()

[pandora-kernel.git] / fs / nfs / dir.c

diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index ac28990..756f4df 100644 (file)
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1103,7 +1103,7 @@ static int nfs_lookup_revalidate(struct dentry *dentry, struct nameidata *nd)
        struct nfs_fattr *fattr = NULL;
        int error;
 
-       if (nd->flags & LOOKUP_RCU)
+       if (nd && (nd->flags & LOOKUP_RCU))
                return -ECHILD;
 
        parent = dget_parent(dentry);
@@ -1508,7 +1508,7 @@ static int nfs_open_revalidate(struct dentry *dentry, struct nameidata *nd)
        struct nfs_open_context *ctx;
        int openflags, ret = 0;
 
-       if (nd->flags & LOOKUP_RCU)
+       if (nd && (nd->flags & LOOKUP_RCU))
                return -ECHILD;
 
        inode = dentry->d_inode;