[DRBD-cvs] svn commit by lars - r3034 - branches/drbd-8.0/user - don't try to read from before the start of the device..

[drbd-cvs at lists.linbit.com]

Author: lars
Date: 2007-08-29 11:05:10 +0200 (Wed, 29 Aug 2007)
New Revision: 3034

Modified:
   branches/drbd-8.0/user/drbdmeta_unfinished_rewrite.c
Log:
don't try to read from before the start of the device...


Modified: branches/drbd-8.0/user/drbdmeta_unfinished_rewrite.c
===================================================================
--- branches/drbd-8.0/user/drbdmeta_unfinished_rewrite.c	2007-08-28 20:18:46 UTC (rev 3033)
+++ branches/drbd-8.0/user/drbdmeta_unfinished_rewrite.c	2007-08-29 09:05:10 UTC (rev 3034)
@@ -2028,7 +2028,7 @@
 		DRBD_MD_INDEX_FLEX_INT, cfg->bd_size);
 
 	printf("%lld\n%lld\n%lld\n", cfg->bd_size, fixed_offset, flex_offset);
-	if (fixed_offset < (off_t)cfg->bd_size - 4096) {
+	if (0 <= fixed_offset && fixed_offset < (off_t)cfg->bd_size - 4096) {
 		/* ... v07 fixed-size internal meta data? */
 		PREAD(cfg->md_fd, on_disk_buffer, 4096, fixed_offset);