socsvn commit: r289914 - soc2013/def/crashdump-head/sys/kern

[def at FreeBSD.org]

Author: def
Date: Wed Aug 19 09:26:37 2015
New Revision: 289914
URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=289914

Log:
  Don't allow to write blocks in the reverse order.

Modified:
  soc2013/def/crashdump-head/sys/kern/kern_shutdown.c

Modified: soc2013/def/crashdump-head/sys/kern/kern_shutdown.c
==============================================================================
--- soc2013/def/crashdump-head/sys/kern/kern_shutdown.c	Wed Aug 19 09:24:34 2015	(r289913)
+++ soc2013/def/crashdump-head/sys/kern/kern_shutdown.c	Wed Aug 19 09:26:37 2015	(r289914)
@@ -1030,8 +1030,7 @@
 
 	/* Data have to be written continuously. */
 	if (kdc->kdc_lastoffset != 0 &&
-	    kdc->kdc_lastoffset + kdc->kdc_lastlength != offset &&
-	    offset + length != kdc->kdc_lastoffset) {
+	    kdc->kdc_lastoffset + kdc->kdc_lastlength != offset) {
 		return (EINVAL);
 	}