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[PATCH] brcmfmac: remove set but not used variable 'dtim_period'

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Fixes gcc '-Wunused-but-set-variable' warning:

drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c: In function brcmf_update_bss_info:
drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:2962:5: warning: variable dtim_period set but not used [-Wunused-but-set-variable]
drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c: In function brcmf_update_bss_info:
drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:2961:6: warning: variable beacon_interval set but not used [-Wunused-but-set-variable]

They are never used so can be removed.

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index b6d0df3..ec17f7f 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -2958,8 +2958,6 @@ static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg,
 	struct brcmf_pub *drvr = cfg->pub;
 	struct brcmf_bss_info_le *bi;
 	const struct brcmf_tlv *tim;
-	u16 beacon_interval;
-	u8 dtim_period;
 	size_t ie_len;
 	u8 *ie;
 	s32 err = 0;
@@ -2983,12 +2981,9 @@ static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg,
 
 	ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset);
 	ie_len = le32_to_cpu(bi->ie_length);
-	beacon_interval = le16_to_cpu(bi->beacon_period);
 
 	tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
-	if (tim)
-		dtim_period = tim->data[1];
-	else {
+	if (!tim) {
 		/*
 		* active scan was done so we could not get dtim
 		* information out of probe response.
@@ -3000,7 +2995,6 @@ static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg,
 			bphy_err(drvr, "wl dtim_assoc failed (%d)\n", err);
 			goto update_bss_info_out;
 		}
-		dtim_period = (u8)var;
 	}
 
 update_bss_info_out:
-- 
2.7.4





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