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ceph: fix d_revalidate oopsen on NFS exports

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can't blindly check nd->flags in ->d_revalidate()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2011-03-10 03:44:05 -05:00
parent c78f4cc5e7
commit 0eb980e317
1 changed files with 1 additions and 1 deletions
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2
fs/ceph/dir.c
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@ -993,7 +993,7 @@ static int ceph_d_revalidate(struct dentry *dentry, struct nameidata *nd)
{
struct inode *dir;
if (nd->flags & LOOKUP_RCU)
if (nd && nd->flags & LOOKUP_RCU)
return -ECHILD;
dir = dentry->d_parent->d_inode;