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-rw-r--r--fs/ecryptfs/dentry.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/ecryptfs/dentry.c b/fs/ecryptfs/dentry.c
index 906e803f7f79..6fc4f319b550 100644
--- a/fs/ecryptfs/dentry.c
+++ b/fs/ecryptfs/dentry.c
@@ -44,12 +44,17 @@
*/
static int ecryptfs_d_revalidate(struct dentry *dentry, struct nameidata *nd)
{
- struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);
- struct vfsmount *lower_mnt = ecryptfs_dentry_to_lower_mnt(dentry);
+ struct dentry *lower_dentry;
+ struct vfsmount *lower_mnt;
struct dentry *dentry_save;
struct vfsmount *vfsmount_save;
int rc = 1;
+ if (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;
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