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Date: Fri, 11 Mar 2016 12:18:48 +0200
From: Claudiu Beznea <claudiu.beznea@...il.com>
To: gregkh@...uxfoundation.org, Larry.Finger@...inger.net
Cc: devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
kernel-janitors@...r.kernel.org,
Claudiu Beznea <claudiu.beznea@...il.com>
Subject: [PATCH] Staging: rtl8188eu: removed unnecessary check in core/rtw_ap.c
This patch removes unnecessary "if (true)" check in update_BCNTIM()
from core/rtw_ap.c file. After this remove the code alignment was
necessary.
Signed-off-by: Claudiu Beznea <claudiu.beznea@...il.com>
---
drivers/staging/rtl8188eu/core/rtw_ap.c | 131 ++++++++++++++++----------------
1 file changed, 64 insertions(+), 67 deletions(-)
diff --git a/drivers/staging/rtl8188eu/core/rtw_ap.c b/drivers/staging/rtl8188eu/core/rtw_ap.c
index 79d326a..1959f65 100644
--- a/drivers/staging/rtl8188eu/core/rtw_ap.c
+++ b/drivers/staging/rtl8188eu/core/rtw_ap.c
@@ -76,90 +76,87 @@ static void update_BCNTIM(struct adapter *padapter)
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct wlan_bssid_ex *pnetwork_mlmeext = &(pmlmeinfo->network);
unsigned char *pie = pnetwork_mlmeext->IEs;
+ u8 *p, *dst_ie, *premainder_ie = NULL;
+ u8 *pbackup_remainder_ie = NULL;
+ uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen;
/* update TIM IE */
- if (true) {
- u8 *p, *dst_ie, *premainder_ie = NULL;
- u8 *pbackup_remainder_ie = NULL;
- uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen;
-
- p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, _TIM_IE_, &tim_ielen,
- pnetwork_mlmeext->IELength - _FIXED_IE_LENGTH_);
- if (p != NULL && tim_ielen > 0) {
- tim_ielen += 2;
- premainder_ie = p+tim_ielen;
- tim_ie_offset = (int)(p - pie);
- remainder_ielen = pnetwork_mlmeext->IELength -
- tim_ie_offset - tim_ielen;
- /* append TIM IE from dst_ie offset */
- dst_ie = p;
- } else {
- tim_ielen = 0;
+ p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, _TIM_IE_, &tim_ielen,
+ pnetwork_mlmeext->IELength - _FIXED_IE_LENGTH_);
+ if (p != NULL && tim_ielen > 0) {
+ tim_ielen += 2;
+ premainder_ie = p+tim_ielen;
+ tim_ie_offset = (int)(p - pie);
+ remainder_ielen = pnetwork_mlmeext->IELength -
+ tim_ie_offset - tim_ielen;
+ /* append TIM IE from dst_ie offset */
+ dst_ie = p;
+ } else {
+ tim_ielen = 0;
- /* calculate head_len */
- offset = _FIXED_IE_LENGTH_;
- offset += pnetwork_mlmeext->Ssid.SsidLength + 2;
+ /* calculate head_len */
+ offset = _FIXED_IE_LENGTH_;
+ offset += pnetwork_mlmeext->Ssid.SsidLength + 2;
- /* get supported rates len */
- p = rtw_get_ie(pie + _BEACON_IE_OFFSET_,
- _SUPPORTEDRATES_IE_, &tmp_len,
- (pnetwork_mlmeext->IELength -
- _BEACON_IE_OFFSET_));
- if (p != NULL)
- offset += tmp_len+2;
+ /* get supported rates len */
+ p = rtw_get_ie(pie + _BEACON_IE_OFFSET_,
+ _SUPPORTEDRATES_IE_, &tmp_len,
+ (pnetwork_mlmeext->IELength -
+ _BEACON_IE_OFFSET_));
+ if (p != NULL)
+ offset += tmp_len+2;
- /* DS Parameter Set IE, len = 3 */
- offset += 3;
+ /* DS Parameter Set IE, len = 3 */
+ offset += 3;
- premainder_ie = pie + offset;
+ premainder_ie = pie + offset;
- remainder_ielen = pnetwork_mlmeext->IELength -
- offset - tim_ielen;
+ remainder_ielen = pnetwork_mlmeext->IELength -
+ offset - tim_ielen;
- /* append TIM IE from offset */
- dst_ie = pie + offset;
- }
+ /* append TIM IE from offset */
+ dst_ie = pie + offset;
+ }
- if (remainder_ielen > 0) {
- pbackup_remainder_ie = rtw_malloc(remainder_ielen);
- if (pbackup_remainder_ie && premainder_ie)
- memcpy(pbackup_remainder_ie,
- premainder_ie, remainder_ielen);
- }
- *dst_ie++ = _TIM_IE_;
+ if (remainder_ielen > 0) {
+ pbackup_remainder_ie = rtw_malloc(remainder_ielen);
+ if (pbackup_remainder_ie && premainder_ie)
+ memcpy(pbackup_remainder_ie,
+ premainder_ie, remainder_ielen);
+ }
+ *dst_ie++ = _TIM_IE_;
- if ((pstapriv->tim_bitmap&0xff00) &&
- (pstapriv->tim_bitmap&0x00fc))
- tim_ielen = 5;
- else
- tim_ielen = 4;
+ if ((pstapriv->tim_bitmap&0xff00) &&
+ (pstapriv->tim_bitmap&0x00fc))
+ tim_ielen = 5;
+ else
+ tim_ielen = 4;
- *dst_ie++ = tim_ielen;
+ *dst_ie++ = tim_ielen;
- *dst_ie++ = 0;/* DTIM count */
- *dst_ie++ = 1;/* DTIM period */
+ *dst_ie++ = 0;/* DTIM count */
+ *dst_ie++ = 1;/* DTIM period */
- if (pstapriv->tim_bitmap&BIT(0))/* for bc/mc frames */
- *dst_ie++ = BIT(0);/* bitmap ctrl */
- else
- *dst_ie++ = 0;
+ if (pstapriv->tim_bitmap&BIT(0))/* for bc/mc frames */
+ *dst_ie++ = BIT(0);/* bitmap ctrl */
+ else
+ *dst_ie++ = 0;
- if (tim_ielen == 4) {
- *dst_ie++ = pstapriv->tim_bitmap & 0xff;
- } else if (tim_ielen == 5) {
- put_unaligned_le16(pstapriv->tim_bitmap, dst_ie);
- dst_ie += 2;
- }
+ if (tim_ielen == 4) {
+ *dst_ie++ = pstapriv->tim_bitmap & 0xff;
+ } else if (tim_ielen == 5) {
+ put_unaligned_le16(pstapriv->tim_bitmap, dst_ie);
+ dst_ie += 2;
+ }
- /* copy remainder IE */
- if (pbackup_remainder_ie) {
- memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
+ /* copy remainder IE */
+ if (pbackup_remainder_ie) {
+ memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
- kfree(pbackup_remainder_ie);
- }
- offset = (uint)(dst_ie - pie);
- pnetwork_mlmeext->IELength = offset + remainder_ielen;
+ kfree(pbackup_remainder_ie);
}
+ offset = (uint)(dst_ie - pie);
+ pnetwork_mlmeext->IELength = offset + remainder_ielen;
set_tx_beacon_cmd(padapter);
}
--
1.9.1
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