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Message-Id: <1487145261-7541-1-git-send-email-albert008.xu@gmail.com>
Date: Wed, 15 Feb 2017 15:54:21 +0800
From: maomao xu <albert008.xu@...il.com>
To: gregkh@...uxfoundation.org, singhalsimran0@...il.com,
arnd@...db.de, albert008.xu@...il.com, devel@...verdev.osuosl.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] staging: rtl8192u: Fix warnings about endianness
drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c:177:16: warning: cast to restricted __le16
drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c:177:16: warning: cast to restricted __le16
drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c:177:16: warning: cast to restricted __le16
drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c:177:16: warning: cast to restricted __le16
drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c:177:16: warning: cast to restricted __le16
drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c:177:16: warning: cast to restricted __le16
drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c:177:16: warning: cast to restricted __le16
drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c:177:16: warning: cast to restricted __le16
drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c:177:16: warning: cast to restricted __le16
Signed-off-by: maomao xu <albert008.xu@...il.com>
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c
index 2453413..fb171bd 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c
@@ -172,7 +172,7 @@ static inline u16 Mk16(u8 hi, u8 lo)
}
-static inline u16 Mk16_le(u16 *v)
+static inline u16 Mk16_le(__le16 *v)
{
return le16_to_cpu(*v);
}
@@ -264,15 +264,15 @@ static void tkip_mixing_phase2(u8 *WEPSeed, const u8 *TK, const u16 *TTAK,
PPK[5] = TTAK[4] + IV16;
/* Step 2 - 96-bit bijective mixing using S-box */
- PPK[0] += _S_(PPK[5] ^ Mk16_le((u16 *) &TK[0]));
- PPK[1] += _S_(PPK[0] ^ Mk16_le((u16 *) &TK[2]));
- PPK[2] += _S_(PPK[1] ^ Mk16_le((u16 *) &TK[4]));
- PPK[3] += _S_(PPK[2] ^ Mk16_le((u16 *) &TK[6]));
- PPK[4] += _S_(PPK[3] ^ Mk16_le((u16 *) &TK[8]));
- PPK[5] += _S_(PPK[4] ^ Mk16_le((u16 *) &TK[10]));
-
- PPK[0] += RotR1(PPK[5] ^ Mk16_le((u16 *) &TK[12]));
- PPK[1] += RotR1(PPK[0] ^ Mk16_le((u16 *) &TK[14]));
+ PPK[0] += _S_(PPK[5] ^ Mk16_le((__le16 *) &TK[0]));
+ PPK[1] += _S_(PPK[0] ^ Mk16_le((__le16 *) &TK[2]));
+ PPK[2] += _S_(PPK[1] ^ Mk16_le((__le16 *) &TK[4]));
+ PPK[3] += _S_(PPK[2] ^ Mk16_le((__le16 *) &TK[6]));
+ PPK[4] += _S_(PPK[3] ^ Mk16_le((__le16 *) &TK[8]));
+ PPK[5] += _S_(PPK[4] ^ Mk16_le((__le16 *) &TK[10]));
+
+ PPK[0] += RotR1(PPK[5] ^ Mk16_le((__le16 *) &TK[12]));
+ PPK[1] += RotR1(PPK[0] ^ Mk16_le((__le16 *) &TK[14]));
PPK[2] += RotR1(PPK[1]);
PPK[3] += RotR1(PPK[2]);
PPK[4] += RotR1(PPK[3]);
@@ -285,7 +285,7 @@ static void tkip_mixing_phase2(u8 *WEPSeed, const u8 *TK, const u16 *TTAK,
WEPSeed[0] = Hi8(IV16);
WEPSeed[1] = (Hi8(IV16) | 0x20) & 0x7F;
WEPSeed[2] = Lo8(IV16);
- WEPSeed[3] = Lo8((PPK[5] ^ Mk16_le((u16 *) &TK[0])) >> 1);
+ WEPSeed[3] = Lo8((PPK[5] ^ Mk16_le((__le16 *) &TK[0])) >> 1);
#ifdef __BIG_ENDIAN
{
--
1.7.9.5
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