From 55031da457bab855d455b431177f79c7c15b67b0 Mon Sep 17 00:00:00 2001 From: Suniel Mahesh Date: Fri, 12 May 2017 21:16:35 +0530 Subject: [PATCH] staging: rtl8192u: Fix type mismatch warnings reported by sparse Mk16_le() is an inline function returning le16_to_cpu() which is causing type mismatch warnings. Removed Mk16_le() and replaced it with le16_to_cpu() with appropriate argument type as suggested by Greg K-H. Signed-off-by: Suniel Mahesh Signed-off-by: Greg Kroah-Hartman --- .../rtl8192u/ieee80211/ieee80211_crypt_tkip.c | 27 +++++++------------ 1 file changed, 10 insertions(+), 17 deletions(-) diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c index 5039172409e3..60ecfec71112 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c @@ -171,13 +171,6 @@ static inline u16 Mk16(u8 hi, u8 lo) return lo | (((u16) hi) << 8); } - -static inline u16 Mk16_le(u16 *v) -{ - return le16_to_cpu(*v); -} - - static const u16 Sbox[256] = { 0xC6A5, 0xF884, 0xEE99, 0xF68D, 0xFF0D, 0xD6BD, 0xDEB1, 0x9154, 0x6050, 0x0203, 0xCEA9, 0x567D, 0xE719, 0xB562, 0x4DE6, 0xEC9A, @@ -264,15 +257,15 @@ 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] ^ le16_to_cpu(*(__le16 *)(&TK[0]))); + PPK[1] += _S_(PPK[0] ^ le16_to_cpu(*(__le16 *)(&TK[2]))); + PPK[2] += _S_(PPK[1] ^ le16_to_cpu(*(__le16 *)(&TK[4]))); + PPK[3] += _S_(PPK[2] ^ le16_to_cpu(*(__le16 *)(&TK[6]))); + PPK[4] += _S_(PPK[3] ^ le16_to_cpu(*(__le16 *)(&TK[8]))); + PPK[5] += _S_(PPK[4] ^ le16_to_cpu(*(__le16 *)(&TK[10]))); + + PPK[0] += RotR1(PPK[5] ^ le16_to_cpu(*(__le16 *)(&TK[12]))); + PPK[1] += RotR1(PPK[0] ^ le16_to_cpu(*(__le16 *)(&TK[14]))); PPK[2] += RotR1(PPK[1]); PPK[3] += RotR1(PPK[2]); PPK[4] += RotR1(PPK[3]); @@ -285,7 +278,7 @@ 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] ^ le16_to_cpu(*(__le16 *)(&TK[0]))) >> 1); #ifdef __BIG_ENDIAN { -- 2.39.2