From: Nathan Scott <nathans@sgi.com>
Date: Thu, 28 Jul 2005 06:02:26 +0000 (+0000)
Subject: Do not dereference null xfs_mount pointer if we fail to initialise.
X-Git-Tag: v2.7.0~9
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d1ee9d75be26b7b199a38983d16e009614f5f210;p=thirdparty%2Fxfsprogs-dev.git

Do not dereference null xfs_mount pointer if we fail to initialise.
Merge of master-melb:xfs-cmds:23294a by kenmcd.
---

diff --git a/db/init.c b/db/init.c
index 39133054e..520da64d0 100644
--- a/db/init.c
+++ b/db/init.c
@@ -139,7 +139,11 @@ init(
 
 	mp = libxfs_mount(&xmount, sbp, x.ddev, x.logdev, x.rtdev,
 				LIBXFS_MOUNT_ROOTINOS | LIBXFS_MOUNT_DEBUGGER);
-
+	if (!mp) {
+		dbprintf(_("%s: device %s unusable (not an XFS filesystem?)\n"),
+			progname, fsdevice);
+		exit(1);
+	}
 	blkbb = 1 << mp->m_blkbb_log;
 
 	push_cur();