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jfs: fix d_revalidate oopsen on NFS exports 

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 03:45:28 -05:00
parent 4714e63731
commit 8ce84eeb5b
1 changed files with 1 additions and 1 deletions
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2
fs/jfs/namei.c
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@ -1600,7 +1600,7 @@ out:
static int jfs_ci_revalidate(struct dentry *dentry, struct nameidata *nd)
{
if (nd->flags & LOOKUP_RCU)
if (nd && nd->flags & LOOKUP_RCU)
return -ECHILD;
/*
* This is not negative dentry. Always valid.