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authorTony Lindgren <tony@atomide.com>2011-03-02 17:07:14 -0800
committerTony Lindgren <tony@atomide.com>2011-03-02 17:07:14 -0800
commit12d7d4e0ed8fecf7f74c89483b55b300be6e5901 (patch)
treef573761ac752ff04ec445e23aef50adadda49790 /fs/ecryptfs/dentry.c
parentaca6ad073ea820776bf5bdb87cf82eace35042c8 (diff)
parent790ab7e92bec24aee3939b300d36b99ab2e3f3ca (diff)
downloadop-kernel-dev-12d7d4e0ed8fecf7f74c89483b55b300be6e5901.zip
op-kernel-dev-12d7d4e0ed8fecf7f74c89483b55b300be6e5901.tar.gz
Merge branch 'devel-cleanup' into omap-for-linus
Conflicts: arch/arm/mach-omap2/timer-gp.c
Diffstat (limited to 'fs/ecryptfs/dentry.c')
-rw-r--r--fs/ecryptfs/dentry.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/fs/ecryptfs/dentry.c b/fs/ecryptfs/dentry.c
index 6fc4f31..534c1d4 100644
--- a/fs/ecryptfs/dentry.c
+++ b/fs/ecryptfs/dentry.c
@@ -46,24 +46,28 @@ static int ecryptfs_d_revalidate(struct dentry *dentry, struct nameidata *nd)
{
struct dentry *lower_dentry;
struct vfsmount *lower_mnt;
- struct dentry *dentry_save;
- struct vfsmount *vfsmount_save;
+ struct dentry *dentry_save = NULL;
+ struct vfsmount *vfsmount_save = NULL;
int rc = 1;
- if (nd->flags & LOOKUP_RCU)
+ if (nd && nd->flags & LOOKUP_RCU)
return -ECHILD;
lower_dentry = ecryptfs_dentry_to_lower(dentry);
lower_mnt = ecryptfs_dentry_to_lower_mnt(dentry);
if (!lower_dentry->d_op || !lower_dentry->d_op->d_revalidate)
goto out;
- dentry_save = nd->path.dentry;
- vfsmount_save = nd->path.mnt;
- nd->path.dentry = lower_dentry;
- nd->path.mnt = lower_mnt;
+ if (nd) {
+ dentry_save = nd->path.dentry;
+ vfsmount_save = nd->path.mnt;
+ nd->path.dentry = lower_dentry;
+ nd->path.mnt = lower_mnt;
+ }
rc = lower_dentry->d_op->d_revalidate(lower_dentry, nd);
- nd->path.dentry = dentry_save;
- nd->path.mnt = vfsmount_save;
+ if (nd) {
+ nd->path.dentry = dentry_save;
+ nd->path.mnt = vfsmount_save;
+ }
if (dentry->d_inode) {
struct inode *lower_inode =
ecryptfs_inode_to_lower(dentry->d_inode);
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