[Ocfs2-tools-commits] taoma commits r1355 - trunk/debugfs.ocfs2

[svn-commits at oss.oracle.com]

Author: taoma
Date: 2007-05-27 18:26:35 -0700 (Sun, 27 May 2007)
New Revision: 1355

Modified:
   trunk/debugfs.ocfs2/commands.c
Log:
Fix a bug in 'slotmap'.

The command 'slotmap' in debugfs.ocfs2 fails to check whether 
the device is opened before using it and causes segment fault.
Thanks Haobo Zhou for finding this bug.

Signed-off-by: smushran

Modified: trunk/debugfs.ocfs2/commands.c
===================================================================
--- trunk/debugfs.ocfs2/commands.c	2007-05-17 00:49:41 UTC (rev 1354)
+++ trunk/debugfs.ocfs2/commands.c	2007-05-28 01:26:35 UTC (rev 1355)
@@ -1176,11 +1176,12 @@
 	FILE *out;
 	errcode_t ret;
 	char *buf = NULL;
-	uint32_t len = gbls.fs->fs_blocksize;
+	uint32_t len;
 
 	if (check_device_open())
 		return ;
 
+	len = gbls.fs->fs_blocksize;
 	/* read in the first block of the slot_map file */
 	ret = read_whole_file(gbls.fs, gbls.slotmap_blkno, &buf, &len);
 	if (ret) {