From: Pavel Roskin <proski@gnu.org>
Date: Mon, 17 Apr 2006 15:36:43 +0000 (-0400)
Subject: [PATCH] Fix crash on big-endian systems during scan
X-Git-Tag: v2.6.17-rc3~11^2~6^2~3
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dac322e39a2b82871cf514c9a533f24a1b4c7e19;p=linux-2.6

[PATCH] Fix crash on big-endian systems during scan

The original code was doing arithmetics on a little-endian value.
Reported by Stelios Koroneos <stelios@stelioscellar.com>

Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/hostap/hostap_ioctl.c b/drivers/net/wireless/hostap/hostap_ioctl.c
index 8b37e824df..8399de5818 100644
--- a/drivers/net/wireless/hostap/hostap_ioctl.c
+++ b/drivers/net/wireless/hostap/hostap_ioctl.c
@@ -1860,7 +1860,7 @@ static char * __prism2_translate_scan(local_info_t *local,
 	memset(&iwe, 0, sizeof(iwe));
 	iwe.cmd = SIOCGIWFREQ;
 	if (scan) {
-		chan = scan->chid;
+		chan = le16_to_cpu(scan->chid);
 	} else if (bss) {
 		chan = bss->chan;
 	} else {
@@ -1868,7 +1868,7 @@ static char * __prism2_translate_scan(local_info_t *local,
 	}
 
 	if (chan > 0) {
-		iwe.u.freq.m = freq_list[le16_to_cpu(chan - 1)] * 100000;
+		iwe.u.freq.m = freq_list[chan - 1] * 100000;
 		iwe.u.freq.e = 1;
 		current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
 						  IW_EV_FREQ_LEN);