tree: https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git strings/usb_alloc_urb head: 17ffacee4e8ad02cffcd5e67e2d6de3ee252d008 commit: 455e91249f8815de7e4ec378e785bf8bca1369da [52/80] net: wireless: realtek: rtlwifi: usb: don't print error when allocating urb fails config: xtensa-allmodconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 4.9.0 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 455e91249f8815de7e4ec378e785bf8bca1369da # save the attached .config to linux build tree make.cross ARCH=xtensa All warnings (new ones prefixed by >>): drivers/net/wireless/realtek/rtlwifi/usb.c: In function '_rtl_usb_tx_urb_setup': >> drivers/net/wireless/realtek/rtlwifi/usb.c:907:19: warning: unused variable 'rtlpriv' [-Wunused-variable] struct rtl_priv *rtlpriv = rtl_priv(hw); ^ vim +/rtlpriv +907 drivers/net/wireless/realtek/rtlwifi/usb.c 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 891 struct rtl_usb *rtlusb = (struct rtl_usb *)info->rate_driver_data[0]; 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 892 struct ieee80211_hw *hw = usb_get_intfdata(rtlusb->intf); 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 893 int err; 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 894 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 895 if (unlikely(IS_USB_STOP(rtlusb))) 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 896 return; 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 897 err = _usb_tx_post(hw, urb, skb); 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 898 if (err) { 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 899 /* Ignore error and keep issuiing other urbs */ 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 900 return; 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 901 } 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 902 } 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 903 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 904 static struct urb *_rtl_usb_tx_urb_setup(struct ieee80211_hw *hw, 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 905 struct sk_buff *skb, u32 ep_num) 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 906 { 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 @907 struct rtl_priv *rtlpriv = rtl_priv(hw); 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 908 struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw)); 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 909 struct urb *_urb; 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 910 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 911 WARN_ON(NULL == skb); 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 912 _urb = usb_alloc_urb(0, GFP_ATOMIC); 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 913 if (!_urb) { 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 914 kfree_skb(skb); 2ca20f79 drivers/net/wireless/rtlwifi/usb.c George 2011-02-11 915 return NULL; :::::: The code at line 907 was first introduced by commit :::::: 2ca20f79e0d895489ae2f79fa321077e5ee2981d rtlwifi: Add usb driver :::::: TO: George <george0505@xxxxxxxxxxx> :::::: CC: John W. Linville <linville@xxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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