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* re: rtlwifi: rtl8821ae: Move driver from staging to regular tree
@ 2015-05-18 12:31 Dan Carpenter
  0 siblings, 0 replies; only message in thread
From: Dan Carpenter @ 2015-05-18 12:31 UTC (permalink / raw)
  To: Larry.Finger; +Cc: Larry Finger, linux-wireless

Hello Larry Finger,

The patch 21e4b0726dc6: "rtlwifi: rtl8821ae: Move driver from staging
to regular tree" from Sep 22, 2014, leads to the following static
checker warning:

	drivers/net/wireless/rtlwifi/rtl8821ae/hw.c:2183 _rtl8821ae_set_media_status()
	warn: masked condition is always false. '(bt_msr & 252) == 3'

drivers/net/wireless/rtlwifi/rtl8821ae/hw.c
  2181          rtl_write_byte(rtlpriv, MSR, bt_msr);
  2182          rtlpriv->cfg->ops->led_control(hw, ledaction);
  2183          if ((bt_msr & 0xfc) == MSR_AP)
                    ^^^^^^^^^^^^^^^^^^^^^^^^^
This condition is never true.  We mask out the 0xfc flags at the
beginning of the function.  MSR_AP is 0x3.

  2184                  rtl_write_byte(rtlpriv, REG_BCNTCFG + 1, 0x00);
  2185          else
  2186                  rtl_write_byte(rtlpriv, REG_BCNTCFG + 1, 0x66);
  2187  
  2188          return 0;
  2189  }

regards,
dan carpenter

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