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authorAl Viro <viro@zeniv.linux.org.uk>2011-03-10 11:44:48 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2011-03-10 11:44:48 +0300
commit53fe924161ff18d24c5c1c256549e9c1b9874827 (patch)
tree4447ddc370f8138952146e54c515675cc026a2ee /fs/gfs2
parent529c5f958f9e60abaa7407986034b17d17536bf2 (diff)
downloadlinux-53fe924161ff18d24c5c1c256549e9c1b9874827.tar.xz
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>
Diffstat (limited to 'fs/gfs2')
-rw-r--r--fs/gfs2/dentry.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/gfs2/dentry.c b/fs/gfs2/dentry.c
index 4a456338b873..0da8da2c991d 100644
--- a/fs/gfs2/dentry.c
+++ b/fs/gfs2/dentry.c
@@ -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);