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fuse: fix d_revalidate oopsen on NFS exports
authorAl Viro <viro@zeniv.linux.org.uk>
Thu, 10 Mar 2011 08:44:31 +0000 (03:44 -0500)
committerAl Viro <viro@zeniv.linux.org.uk>
Thu, 10 Mar 2011 08:44:31 +0000 (03:44 -0500)
can't blindly check nd->flags in ->d_revalidate()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/fuse/dir.c patch | blob | blame | history

diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 83543b5ff94180742a79970950651c9b95e50e51..8bd0ef9286c376cf980e83b2513764d8bb683eef 100644 (file)
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -158,7 +158,7 @@ static int fuse_dentry_revalidate(struct dentry *entry, struct nameidata *nd)
 {
        struct inode *inode;
 
-       if (nd->flags & LOOKUP_RCU)
+       if (nd && nd->flags & LOOKUP_RCU)
                return -ECHILD;
 
        inode = entry->d_inode;