From 03e1f4d1d322640fea2abd94639c0c441433a444 Mon Sep 17 00:00:00 2001
From: Stefan Sperling <stsp@cvs.openbsd.org>
Date: Sun, 7 Feb 2016 12:16:25 +0000
Subject: Make sure the maximum iwm(4) firmware command payload size fits into
 the 12 bits available for it in struct iwm_tfd_tb.hi_n_len. Patch by Imre
 Vadasz via tech@

---
 sys/dev/pci/if_iwmreg.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'sys')

diff --git a/sys/dev/pci/if_iwmreg.h b/sys/dev/pci/if_iwmreg.h
index fb6b93aaf2a..adfda2b53f2 100644
--- a/sys/dev/pci/if_iwmreg.h
+++ b/sys/dev/pci/if_iwmreg.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_iwmreg.h,v 1.9 2015/12/14 08:34:56 stsp Exp $	*/
+/*	$OpenBSD: if_iwmreg.h,v 1.10 2016/02/07 12:16:24 stsp Exp $	*/
 
 /******************************************************************************
  *
@@ -5231,7 +5231,7 @@ enum iwm_power_scheme {
 };
 
 #define IWM_DEF_CMD_PAYLOAD_SIZE 320
-#define IWM_MAX_CMD_PAYLOAD_SIZE (4096 - sizeof(struct iwm_cmd_header))
+#define IWM_MAX_CMD_PAYLOAD_SIZE ((4096 - 4) - sizeof(struct iwm_cmd_header))
 #define IWM_CMD_FAILED_MSK 0x40
 
 struct iwm_device_cmd {
-- 
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