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Subject: socsvn commit: r289923 - soc2013/def/crashdump-head/sys/kern
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Author: def
Date: Wed Aug 19 14:54:54 2015
New Revision: 289923
URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=289923

Log:
  Support trivial case when dump_write is called to signal completion.

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 14:29:16 2015	(r289922)
+++ soc2013/def/crashdump-head/sys/kern/kern_shutdown.c	Wed Aug 19 14:54:54 2015	(r289923)
@@ -1023,6 +1023,12 @@
 	if (error != 0)
 		return (error);
 
+	/* Signal completion. */
+	if (virtual == NULL && physical == 0 && offset == 0 && length == 0) {
+		return (di->dumper(di->priv, virtual, physical, offset,
+		    length));
+	}
+
 	/* Data have to be aligned to block size. */
 	if ((length % KERNELDUMP_BLOCK_SIZE) != 0)
 		return (EINVAL);