package/kernel/mac80211/patches/brcm/106-v5.4-brcmfmac-remove-set-but-not-used-variable-dtim_perio.patch

   1 From cddecd92d1ec2fd05ed1123455e7c6cf6906b5a5 Mon Sep 17 00:00:00 2001
   2 From: YueHaibing <yuehaibing@huawei.com>
   3 Date: Wed, 24 Jul 2019 22:12:01 +0800
   4 Subject: [PATCH] brcmfmac: remove set but not used variable 'dtim_period'
   5
   6 Fixes gcc '-Wunused-but-set-variable' warning:
   7
   8 drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c: In function brcmf_update_bss_info:
   9 drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:2962:5: warning: variable dtim_period set but not used [-Wunused-but-set-variable]
  10 drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c: In function brcmf_update_bss_info:
  11 drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:2961:6: warning: variable beacon_interval set but not used [-Wunused-but-set-variable]
  12
  13 They are never used so can be removed.
  14
  15 Reported-by: Hulk Robot <hulkci@huawei.com>
  16 Signed-off-by: YueHaibing <yuehaibing@huawei.com>
  17 Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
  18 ---
  19  .../net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c   | 8 +-------
  20  1 file changed, 1 insertion(+), 7 deletions(-)
  21
  22 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
  23 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
  24 @@ -2982,8 +2982,6 @@ static s32 brcmf_update_bss_info(struct
  25         struct brcmf_pub *drvr = cfg->pub;
  26         struct brcmf_bss_info_le *bi;
  27         const struct brcmf_tlv *tim;
  28 -       u16 beacon_interval;
  29 -       u8 dtim_period;
  30         size_t ie_len;
  31         u8 *ie;
  32         s32 err = 0;
  33 @@ -3007,12 +3005,9 @@ static s32 brcmf_update_bss_info(struct
  34
  35         ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset);
  36         ie_len = le32_to_cpu(bi->ie_length);
  37 -       beacon_interval = le16_to_cpu(bi->beacon_period);
  38
  39         tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
  40 -       if (tim)
  41 -               dtim_period = tim->data[1];
  42 -       else {
  43 +       if (!tim) {
  44                 /*
  45                 * active scan was done so we could not get dtim
  46                 * information out of probe response.
  47 @@ -3024,7 +3019,6 @@ static s32 brcmf_update_bss_info(struct
  48                         bphy_err(drvr, "wl dtim_assoc failed (%d)\n", err);
  49                         goto update_bss_info_out;
  50                 }
  51 -               dtim_period = (u8)var;
  52         }
  53
  54  update_bss_info_out: