linux-kernel - [PATCH v2] staging: rtl8192u: ieee80211: Fix sparse endianness warnings

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Message-Id: <1433205811-21227-1-git-send-email-gascoar@gmail.com>
Date:	Mon,  1 Jun 2015 21:43:31 -0300
From:	Gaston Gonzalez <gascoar@...il.com>
To:	gregkh@...uxfoundation.org, joe@...ches.com
Cc:	cristina.opriceana@...il.com, hamohammed.sa@...il.com,
	gdonald@...il.com, mahfouz.saif.elyazal@...il.com,
	paul.gortmaker@...driver.com, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org, gascoar@...il.com
Subject: [PATCH v2] staging: rtl8192u: ieee80211: Fix sparse endianness warnings

Fix the following sparse warnings:

drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:663:32: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:663:32:    expected restricted __le16 [usertype] frame_ctl
drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:663:32:    got int
drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:664:50: warning: invalid assignment: |=
drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:664:50:    left side has type restricted __le16
drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:664:50:    right side has type int

Signed-off-by: Gaston Gonzalez <gascoar@...il.com>
---
Changes since V1: rearrange the code to set auth->header.frame_ctl only once.

 drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
index d2e8b12..d0a6a59 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
@@ -660,8 +660,10 @@ inline struct sk_buff *ieee80211_authentication_req(struct ieee80211_network *be
 	auth = (struct ieee80211_authentication *)
 		skb_put(skb, sizeof(struct ieee80211_authentication));
 
-	auth->header.frame_ctl = IEEE80211_STYPE_AUTH;
-	if (challengelen) auth->header.frame_ctl |= IEEE80211_FCTL_WEP;
+	if (challengelen)
+		auth->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_AUTH | IEEE80211_FCTL_WEP);
+	else
+		auth->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_AUTH);
 
 	auth->header.duration_id = 0x013a; //FIXME
 
-- 
2.4.2

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