[Midnightbsd-cvs] src [8399] trunk/usr.sbin/ndiscvt/ndiscvt.c: add a missing check for fread

[laffer1 at midnightbsd.org]

Revision: 8399
          http://svnweb.midnightbsd.org/src/?rev=8399
Author:   laffer1
Date:     2016-09-18 15:31:51 -0400 (Sun, 18 Sep 2016)
Log Message:
-----------
add a missing check for fread

Modified Paths:
--------------
    trunk/usr.sbin/ndiscvt/ndiscvt.c

Modified: trunk/usr.sbin/ndiscvt/ndiscvt.c
===================================================================
--- trunk/usr.sbin/ndiscvt/ndiscvt.c	2016-09-18 19:27:27 UTC (rev 8398)
+++ trunk/usr.sbin/ndiscvt/ndiscvt.c	2016-09-18 19:31:51 UTC (rev 8399)
@@ -327,6 +327,8 @@
 	rewind (fp);
 	img = calloc(fsize, 1);
 	n = fread (img, fsize, 1, fp);
+	if (n == 0)
+		err(1, "reading .SYS file '%s' failed", sysfile);
 
 	fclose(fp);