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OpenCloudOS-Kernel
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gfs2: 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 03:44:48 -05:00
parent 529c5f958f
commit 53fe924161
1 changed files with 1 additions and 1 deletions
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2
fs/gfs2/dentry.c
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@ -44,7 +44,7 @@ static int gfs2_drevalidate(struct dentry *dentry, struct nameidata *nd)
int error;
int had_lock = 0;
if (nd->flags & LOOKUP_RCU)
if (nd && nd->flags & LOOKUP_RCU)
return -ECHILD;
parent = dget_parent(dentry);