Fix zpl_revalidate() NULL deref

[zfs.git] / module / zfs / zpl_inode.c

diff --git a/module/zfs/zpl_inode.c b/module/zfs/zpl_inode.c
index 0f6f3a4..e406288 100644 (file)
--- a/module/zfs/zpl_inode.c
+++ b/module/zfs/zpl_inode.c
@@ -396,7 +396,7 @@ static int
 #ifdef HAVE_D_REVALIDATE_NAMEIDATA
 zpl_revalidate(struct dentry *dentry, struct nameidata *nd)
 {
-       unsigned int flags = nd->flags;
+       unsigned int flags = (nd ? nd->flags : 0);
 #else
 zpl_revalidate(struct dentry *dentry, unsigned int flags)
 {