staging: r8188eu: remove unconditional if statement
authorMarcelo Aloisio da Silva <marcelo.as@aol.com>
Tue, 15 Feb 2022 02:39:26 +0000 (23:39 -0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 15 Feb 2022 16:13:40 +0000 (17:13 +0100)
Remove if condition that is always true. It is useless and
makes the code less readable.

Signed-off-by: Marcelo Aloisio da Silva <marcelo.as@aol.com>
Link: https://lore.kernel.org/r/20220215023926.GA52339@snoopy
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/r8188eu/core/rtw_ap.c

index 19d12dd..5e22b1b 100644 (file)
@@ -55,85 +55,85 @@ 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;
+       __le16 tim_bitmap_le;
+       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;
-               __le16 tim_bitmap_le;
-               uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen;
-
-               tim_bitmap_le = cpu_to_le16(pstapriv->tim_bitmap);
-
-               p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, _TIM_IE_, &tim_ielen, pnetwork_mlmeext->IELength - _FIXED_IE_LENGTH_);
-               if (p && 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;
+       p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, _TIM_IE_, &tim_ielen,
+                      pnetwork_mlmeext->IELength - _FIXED_IE_LENGTH_);
+       if (p && 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;
 
-                       /*  get supported rates len */
-                       p = rtw_get_ie(pie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &tmp_len, (pnetwork_mlmeext->IELength - _BEACON_IE_OFFSET_));
-                       if (p)
-                               offset += tmp_len + 2;
+               /* calculate head_len */
+               offset = _FIXED_IE_LENGTH_;
+               offset += pnetwork_mlmeext->Ssid.SsidLength + 2;
 
-                       /* DS Parameter Set IE, len = 3 */
-                       offset += 3;
+               /*  get supported rates len */
+               p = rtw_get_ie(pie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_,
+                              &tmp_len, (pnetwork_mlmeext->IELength - _BEACON_IE_OFFSET_));
+               if (p)
+                       offset += tmp_len + 2;
 
-                       premainder_ie = pie + offset;
+               /* DS Parameter Set IE, len = 3 */
+               offset += 3;
 
-                       remainder_ielen = pnetwork_mlmeext->IELength - offset - tim_ielen;
+               premainder_ie = pie + offset;
 
-                       /* append TIM IE from offset */
-                       dst_ie = pie + offset;
-               }
+               remainder_ielen = pnetwork_mlmeext->IELength - offset - tim_ielen;
 
-               if (remainder_ielen > 0) {
-                       pbackup_remainder_ie = kmalloc(remainder_ielen, GFP_ATOMIC);
-                       if (pbackup_remainder_ie && premainder_ie)
-                               memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
-               }
-               *dst_ie++ = _TIM_IE_;
+               /* append TIM IE from offset */
+               dst_ie = pie + offset;
+       }
 
-               if ((pstapriv->tim_bitmap & 0xff00) && (pstapriv->tim_bitmap & 0x00fc))
-                       tim_ielen = 5;
-               else
-                       tim_ielen = 4;
+       if (remainder_ielen > 0) {
+               pbackup_remainder_ie = kmalloc(remainder_ielen, GFP_ATOMIC);
+               if (pbackup_remainder_ie && premainder_ie)
+                       memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
+       }
+       *dst_ie++ = _TIM_IE_;
 
-               *dst_ie++ = tim_ielen;
+       if ((pstapriv->tim_bitmap & 0xff00) && (pstapriv->tim_bitmap & 0x00fc))
+               tim_ielen = 5;
+       else
+               tim_ielen = 4;
 
-               *dst_ie++ = 0;/* DTIM count */
-               *dst_ie++ = 1;/* DTIM period */
+       *dst_ie++ = tim_ielen;
 
-               if (pstapriv->tim_bitmap & BIT(0))/* for bc/mc frames */
-                       *dst_ie++ = BIT(0);/* bitmap ctrl */
-               else
-                       *dst_ie++ = 0;
+       *dst_ie++ = 0;/* DTIM count */
+       *dst_ie++ = 1;/* DTIM period */
 
-               if (tim_ielen == 4) {
-                       *dst_ie++ = *(u8 *)&tim_bitmap_le;
-               } else if (tim_ielen == 5) {
-                       memcpy(dst_ie, &tim_bitmap_le, 2);
-                       dst_ie += 2;
-               }
+       if (pstapriv->tim_bitmap & BIT(0))/* for bc/mc frames */
+               *dst_ie++ = BIT(0);/* bitmap ctrl */
+       else
+               *dst_ie++ = 0;
 
-               /* copy remainder IE */
-               if (pbackup_remainder_ie) {
-                       memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
+       tim_bitmap_le = cpu_to_le16(pstapriv->tim_bitmap);
 
-                       kfree(pbackup_remainder_ie);
-               }
-               offset =  (uint)(dst_ie - pie);
-               pnetwork_mlmeext->IELength = offset + remainder_ielen;
+       if (tim_ielen == 4) {
+               *dst_ie++ = *(u8 *)&tim_bitmap_le;
+       } else if (tim_ielen == 5) {
+               memcpy(dst_ie, &tim_bitmap_le, 2);
+               dst_ie += 2;
+       }
+
+       /* 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;
 
        set_tx_beacon_cmd(padapter);
 }