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Commit 45d95bcd authored by Anton Altaparmakov's avatar Anton Altaparmakov
Browse files

NTFS: Do not dereference pointer before checking for NULL. 

Found by Coverity software (http://scan.coverity.com

).

Signed-off-by: default avatarAnton Altaparmakov <anton@tuxera.com>
parent 0e375795

fs/ntfs/attrib.c

+3 −3
Original line number Diff line number Diff line 
/**

 * attrib.c - NTFS attribute operations.  Part of the Linux-NTFS project.

 *

 * Copyright (c) 2001-2007 Anton Altaparmakov

 * Copyright (c) 2001-2012 Anton Altaparmakov and Tuxera Inc.

 * Copyright (c) 2002 Richard Russon

 *

 * This program/include file is free software; you can redistribute it and/or
@@ -345,10 +345,10 @@ LCN ntfs_attr_vcn_to_lcn_nolock(ntfs_inode *ni, const VCN vcn, 
	unsigned long flags;

	bool is_retry = false;



	BUG_ON(!ni);

	ntfs_debug("Entering for i_ino 0x%lx, vcn 0x%llx, %s_locked.",

			ni->mft_no, (unsigned long long)vcn,

			write_locked ? "write" : "read");

	BUG_ON(!ni);

	BUG_ON(!NInoNonResident(ni));

	BUG_ON(vcn < 0);

	if (!ni->runlist.rl) {
@@ -469,9 +469,9 @@ runlist_element *ntfs_attr_find_vcn_nolock(ntfs_inode *ni, const VCN vcn, 
	int err = 0;

	bool is_retry = false;



	BUG_ON(!ni);

	ntfs_debug("Entering for i_ino 0x%lx, vcn 0x%llx, with%s ctx.",

			ni->mft_no, (unsigned long long)vcn, ctx ? "" : "out");

	BUG_ON(!ni);

	BUG_ON(!NInoNonResident(ni));

	BUG_ON(vcn < 0);

	if (!ni->runlist.rl) {