svn commit: r255856 - stable/9/sys/kern

[Jaakko Heinonen]

Author: jh
Date: Tue Sep 24 17:09:28 2013
New Revision: 255856
URL: http://svnweb.freebsd.org/changeset/base/255856

Log:
  MFC r250706: A library function shall not set errno to 0.

Modified:
  stable/9/sys/kern/subr_sbuf.c
Directory Properties:
  stable/9/sys/   (props changed)

Modified: stable/9/sys/kern/subr_sbuf.c
==============================================================================
--- stable/9/sys/kern/subr_sbuf.c	Tue Sep 24 17:01:29 2013	(r255855)
+++ stable/9/sys/kern/subr_sbuf.c	Tue Sep 24 17:09:28 2013	(r255856)
@@ -706,9 +706,10 @@ sbuf_finish(struct sbuf *s)
 #ifdef _KERNEL
 	return (s->s_error);
 #else
-	errno = s->s_error;
-	if (s->s_error)
+	if (s->s_error != 0) {
+		errno = s->s_error;
 		return (-1);
+	}
 	return (0);
 #endif
 }