[PATCH 2/3] staging: rtl8723bs: remove unnecessary pointer-to-integer casts

[Ashmit Kumar <work.ashmitkumar@gmail.com>]

The pointer pframe in rtw_mlme_ext.c is cast to (SIZE_PTR) before
being passed as an argument or evaluated in expressions where it is
already a pointer type. In xmit_linux.c, the buffer length was
calculated using unnecessary casts:
(SIZE_PTR)pfile->cur_addr - (SIZE_PTR)pfile->buf_start
where standard pointer subtraction pfile->cur_addr - pfile->buf_start
yields ptrdiff_t directly without any casting.

Remove these redundant casts to simplify the code and use standard C
pointer arithmetic.

Signed-off-by: Ashmit Kumar <work.ashmitkumar@gmail.com>
---
 drivers/staging/rtl8723bs/core/rtw_mlme_ext.c | 8 ++++----
 drivers/staging/rtl8723bs/os_dep/xmit_linux.c | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
index 511eccf5b5a3..9e89d4a0392d 100644
--- a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
+++ b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
@@ -707,8 +707,8 @@ unsigned int OnAuth(struct adapter *padapter, union recv_frame *precv_frame)
 		offset = 4;
 	}
 
-	algorithm = le16_to_cpu(*(__le16 *)((SIZE_PTR)pframe + WLAN_HDR_A3_LEN + offset));
-	seq	= le16_to_cpu(*(__le16 *)((SIZE_PTR)pframe + WLAN_HDR_A3_LEN + offset + 2));
+	algorithm = le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN + offset));
+	seq	= le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN + offset + 2));
 
 	if (auth_mode == 2 &&
 			psecuritypriv->dot11_privacy_algrthm != _WEP40_ &&
@@ -856,8 +856,8 @@ unsigned int OnAuthClient(struct adapter *padapter, union recv_frame *precv_fram
 
 	offset = (GetPrivacy(pframe)) ? 4 : 0;
 
-	seq	= le16_to_cpu(*(__le16 *)((SIZE_PTR)pframe + WLAN_HDR_A3_LEN + offset + 2));
-	status	= le16_to_cpu(*(__le16 *)((SIZE_PTR)pframe + WLAN_HDR_A3_LEN + offset + 4));
+	seq	= le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN + offset + 2));
+	status	= le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN + offset + 4));
 
 	if (status != 0) {
 		if (status == 13) { /*  pmlmeinfo->auth_algo == dot11_auth_algrthm_auto) */
diff --git a/drivers/staging/rtl8723bs/os_dep/xmit_linux.c b/drivers/staging/rtl8723bs/os_dep/xmit_linux.c
index 6ee2a1f29aa4..91ab0f8bcb69 100644
--- a/drivers/staging/rtl8723bs/os_dep/xmit_linux.c
+++ b/drivers/staging/rtl8723bs/os_dep/xmit_linux.c
@@ -9,7 +9,7 @@
 
 unsigned int rtw_remainder_len(struct pkt_file *pfile)
 {
-	return (pfile->buf_len - ((SIZE_PTR)(pfile->cur_addr) - (SIZE_PTR)(pfile->buf_start)));
+	return pfile->buf_len - (pfile->cur_addr - pfile->buf_start);
 }
 
 void _rtw_open_pktfile(struct sk_buff *pktptr, struct pkt_file *pfile)
-- 
2.43.0