nfs: add missing rcu-walk check (657e94b6) · Commits · e / devices / android_kernel_teracube_2e

fs/nfs/dir.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -1410,11 +1410,15 @@ static struct dentry nfs_atomic_lookup(struct inode dir, struct dentry *dentry
		static int nfs_open_revalidate(struct dentry dentry, struct nameidata nd)
		{
		struct dentry *parent = NULL;
		struct inode *inode = dentry->d_inode;
		struct inode *inode;
		struct inode *dir;
		struct nfs_open_context *ctx;
		int openflags, ret = 0;

		if (nd->flags & LOOKUP_RCU)
		return -ECHILD;

		inode = dentry->d_inode;
		if (!is_atomic_open(nd) \|\| d_mountpoint(dentry))
		goto no_open;