brcmsmac: Remove unnecessary memset casts

Remove the casts of the first argument of memset.

Neaten the style by using the sizeof the actual variable
being memset not the sizeof the type of variable.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/brcm80211/brcmsmac/main.c

@@ -3138,8 +3138,7 @@ void brcms_c_reset(struct brcms_c_info *wlc)
 	brcms_c_statsupd(wlc);
 
 	/* reset our snapshot of macstat counters */
-	memset((char *)wlc->core->macstat_snapshot, 0,
-		sizeof(struct macstat));
+	memset(wlc->core->macstat_snapshot, 0, sizeof(struct macstat));
 
 	brcms_b_reset(wlc->hw);
 }
@@ -4052,7 +4051,7 @@ void brcms_c_wme_setparams(struct brcms_c_info *wlc, u16 aci,
 		return;
 	}
 
-	memset((char *)&acp_shm, 0, sizeof(struct shm_acparams));
+	memset(&acp_shm, 0, sizeof(struct shm_acparams));
 	/* fill in shm ac params struct */
 	acp_shm.txop = params->txop;
 	/* convert from units of 32us to us for ucode */
@@ -4768,7 +4767,7 @@ static void brcms_c_bss_default_init(struct brcms_c_info *wlc)
 	struct brcms_bss_info *bi = wlc->default_bss;
 
 	/* init default and target BSS with some sane initial values */
-	memset((char *)(bi), 0, sizeof(struct brcms_bss_info));
+	memset(bi, 0, sizeof(*bi));
 	bi->beacon_period = BEACON_INTERVAL_DEFAULT;
 
 	/* fill the default channel as the first valid channel
@@ -5297,7 +5296,7 @@ int brcms_c_set_gmode(struct brcms_c_info *wlc, u8 gmode, bool config)
 		brcms_c_protection_upd(wlc, BRCMS_PROT_G_USER, gmode);
 
 	/* Clear rateset override */
-	memset(&rs, 0, sizeof(struct brcms_c_rateset));
+	memset(&rs, 0, sizeof(rs));
 
 	switch (gmode) {
 	case GMODE_LEGACY_B:
@@ -5520,7 +5519,7 @@ int brcms_c_set_rateset(struct brcms_c_info *wlc, struct brcm_rateset *rs)
 	if (rs->count > BRCMS_NUMRATES)
 		return -ENOBUFS;
 
-	memset(&internal_rs, 0, sizeof(struct brcms_c_rateset));
+	memset(&internal_rs, 0, sizeof(internal_rs));
 
 	/* Copy only legacy rateset section */
 	internal_rs.count = rs->count;
@@ -5623,7 +5622,7 @@ int brcms_c_module_unregister(struct brcms_pub *pub, const char *name,
 	for (i = 0; i < BRCMS_MAXMODULES; i++) {
 		if (!strcmp(wlc->modulecb[i].name, name) &&
 		    (wlc->modulecb[i].hdl == hdl)) {
-			memset(&wlc->modulecb[i], 0, sizeof(struct modulecb));
+			memset(&wlc->modulecb[i], 0, sizeof(wlc->modulecb[i]));
 			return 0;
 		}
 	}
@@ -6678,11 +6677,9 @@ brcms_c_d11hdrs_mac80211(struct brcms_c_info *wlc, struct ieee80211_hw *hw,
 					(struct ofdm_phy_hdr *) rts_plcp) :
 				rts_plcp[0]) << 8;
 	} else {
-		memset((char *)txh->RTSPhyHeader, 0, D11_PHY_HDR_LEN);
-		memset((char *)&txh->rts_frame, 0,
-			sizeof(struct ieee80211_rts));
-		memset((char *)txh->RTSPLCPFallback, 0,
-		      sizeof(txh->RTSPLCPFallback));
+		memset(txh->RTSPhyHeader, 0, D11_PHY_HDR_LEN);
+		memset(&txh->rts_frame, 0, sizeof(struct ieee80211_rts));
+		memset(txh->RTSPLCPFallback, 0, sizeof(txh->RTSPLCPFallback));
 		txh->RTSDurFallback = 0;
 	}
 
@@ -7324,7 +7321,7 @@ brcms_c_bcn_prb_template(struct brcms_c_info *wlc, u16 type,
 	*len = hdr_len + body_len;
 
 	/* format PHY and MAC headers */
-	memset((char *)buf, 0, hdr_len);
+	memset(buf, 0, hdr_len);
 
 	plcp = (struct cck_phy_hdr *) buf;