[src/trunk]: src/sys/dev/pci CID-1427736: Appease coverity using KASSERT

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/91449b36dece
branches:  trunk
changeset: 358898:91449b36dece
user:      christos <christos%NetBSD.org@localhost>
date:      Sun Jan 21 18:12:37 2018 +0000

description:
CID-1427736: Appease coverity using KASSERT

diffstat:

 sys/dev/pci/if_iwm.c |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (26 lines):

diff -r e306e2540579 -r 91449b36dece sys/dev/pci/if_iwm.c
--- a/sys/dev/pci/if_iwm.c      Sun Jan 21 17:58:43 2018 +0000
+++ b/sys/dev/pci/if_iwm.c      Sun Jan 21 18:12:37 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_iwm.c,v 1.77 2018/01/10 18:39:50 mlelstv Exp $      */
+/*     $NetBSD: if_iwm.c,v 1.78 2018/01/21 18:12:37 christos Exp $     */
 /*     OpenBSD: if_iwm.c,v 1.148 2016/11/19 21:07:08 stsp Exp  */
 #define IEEE80211_NO_HT
 /*
@@ -106,7 +106,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_iwm.c,v 1.77 2018/01/10 18:39:50 mlelstv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_iwm.c,v 1.78 2018/01/21 18:12:37 christos Exp $");
 
 #include <sys/param.h>
 #include <sys/conf.h>
@@ -5248,6 +5248,7 @@
 
        memset(preq, 0, sizeof(*preq));
 
+       KASSERT(ic->ic_des_esslen < sizeof(ic->ic_des_essid));
        if (remain < sizeof(*wh) + 2 + ic->ic_des_esslen)
                return ENOBUFS;