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From: Jaakko Heinonen <jh@FreeBSD.org>
Date: Fri, 20 Jan 2012 12:59:12 +0000 (UTC)
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Subject: svn commit: r230377 - head/sbin/mount
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Author: jh
Date: Fri Jan 20 12:59:12 2012
New Revision: 230377
URL: http://svn.freebsd.org/changeset/base/230377

Log:
  Don't print the nmount(2) provided error message if it is empty.

Modified:
  head/sbin/mount/mount_fs.c

Modified: head/sbin/mount/mount_fs.c
==============================================================================
--- head/sbin/mount/mount_fs.c	Fri Jan 20 12:52:38 2012	(r230376)
+++ head/sbin/mount/mount_fs.c	Fri Jan 20 12:59:12 2012	(r230377)
@@ -129,7 +129,10 @@ mount_fs(const char *vfstype, int argc, 
 	build_iovec(&iov, &iovlen, "errmsg", errmsg, sizeof(errmsg));
 
 	if (nmount(iov, iovlen, mntflags) == -1) {
-		warn("%s: %s", dev, errmsg);
+		if (*errmsg != '\0')
+			warn("%s: %s", dev, errmsg);
+		else
+			warn("%s", dev);
 		return (1);
 	}
 	return (0);