From f8dbe3f0acaff86c8c12540bb1b76c34d32a563f Mon Sep 17 00:00:00 2001 From: Nishka Dasgupta Date: Fri, 2 Aug 2019 12:12:09 +0530 Subject: [PATCH] staging: rtl8712: r8712_tkip_decrypt(): Change return type Change return type of r8712_tkip_decrypt from u8 to void as the return value is never used. Modify or remove return statements accordingly. Signed-off-by: Nishka Dasgupta Link: https://lore.kernel.org/r/20190802064212.30476-6-nishkadg.linux@gmail.com Signed-off-by: Greg Kroah-Hartman --- drivers/staging/rtl8712/rtl871x_security.c | 12 ++---------- drivers/staging/rtl8712/rtl871x_security.h | 2 +- 2 files changed, 3 insertions(+), 11 deletions(-) diff --git a/drivers/staging/rtl8712/rtl871x_security.c b/drivers/staging/rtl8712/rtl871x_security.c index 693008bba83e..66586a9d9f73 100644 --- a/drivers/staging/rtl8712/rtl871x_security.c +++ b/drivers/staging/rtl8712/rtl871x_security.c @@ -636,7 +636,7 @@ u32 r8712_tkip_encrypt(struct _adapter *padapter, u8 *pxmitframe) } /* The hlen doesn't include the IV */ -u32 r8712_tkip_decrypt(struct _adapter *padapter, u8 *precvframe) +void r8712_tkip_decrypt(struct _adapter *padapter, u8 *precvframe) { /* exclude ICV */ u16 pnl; u32 pnh; @@ -670,7 +670,7 @@ u32 r8712_tkip_decrypt(struct _adapter *padapter, u8 *precvframe) prwskey = &psecuritypriv->XGrpKey[ ((idx >> 6) & 0x3) - 1].skey[0]; if (!psecuritypriv->binstallGrpkey) - return _FAIL; + return; } else { prwskey = &stainfo->x_UncstKey.skey[0]; } @@ -686,16 +686,8 @@ u32 r8712_tkip_decrypt(struct _adapter *padapter, u8 *precvframe) arcfour_encrypt(&mycontext, payload, payload, length); *((__le32 *)crc) = cpu_to_le32(getcrc32(payload, length - 4)); - if (crc[3] != payload[length - 1] || - crc[2] != payload[length - 2] || - crc[1] != payload[length - 3] || - crc[0] != payload[length - 4]) - return _FAIL; - } else { - return _FAIL; } } - return _SUCCESS; } /* 3 =====AES related===== */ diff --git a/drivers/staging/rtl8712/rtl871x_security.h b/drivers/staging/rtl8712/rtl871x_security.h index 25b4d379766d..25220afa61e9 100644 --- a/drivers/staging/rtl8712/rtl871x_security.h +++ b/drivers/staging/rtl8712/rtl871x_security.h @@ -210,7 +210,7 @@ u32 r8712_aes_encrypt(struct _adapter *padapter, u8 *pxmitframe); u32 r8712_tkip_encrypt(struct _adapter *padapter, u8 *pxmitframe); void r8712_wep_encrypt(struct _adapter *padapter, u8 *pxmitframe); u32 r8712_aes_decrypt(struct _adapter *padapter, u8 *precvframe); -u32 r8712_tkip_decrypt(struct _adapter *padapter, u8 *precvframe); +void r8712_tkip_decrypt(struct _adapter *padapter, u8 *precvframe); void r8712_wep_decrypt(struct _adapter *padapter, u8 *precvframe); void r8712_use_tkipkey_handler(struct timer_list *t);