svn commit: r300893 - head/sys/dev/filemon

[Bryan Drewery]

Author: bdrewery
Date: Fri May 27 23:58:00 2016
New Revision: 300893
URL: https://svnweb.freebsd.org/changeset/base/300893

Log:
  Don't truncate existing error when writing the log.
  
  Suggested by:	markj
  MFC after:	2 weeks
  Sponsored by:	EMC / Isilon Storage Division

Modified:
  head/sys/dev/filemon/filemon_wrapper.c

Modified: head/sys/dev/filemon/filemon_wrapper.c
==============================================================================
--- head/sys/dev/filemon/filemon_wrapper.c	Fri May 27 23:57:57 2016	(r300892)
+++ head/sys/dev/filemon/filemon_wrapper.c	Fri May 27 23:58:00 2016	(r300893)
@@ -66,7 +66,7 @@ filemon_output(struct filemon *filemon, 
 		bwillwrite();
 
 	error = fo_write(filemon->fp, &auio, filemon->cred, 0, curthread);
-	if (error != 0)
+	if (error != 0 && filemon->error == 0)
 		filemon->error = error;
 }