Hi Sean, [auto build test WARNING on linuxtv-media/master] [also build test WARNING on next-20161028] [cannot apply to v4.9-rc3] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] [Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on] [Check https://git-scm.com/docs/git-format-patch for more information] url: https://github.com/0day-ci/linux/commits/Sean-Young/Various-IR-fixes/20161101-023658 base: git://linuxtv.org/media_tree.git master config: x86_64-randconfig-x014-201644 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): drivers/media/rc/redrat3.c: In function 'redrat3_learn_complete': >> drivers/media/rc/redrat3.c:903:6: warning: unused variable 'ret' [-Wunused-variable] int ret; ^~~ vim +/ret +903 drivers/media/rc/redrat3.c 887 888 rr3->wideband = enable != 0; 889 890 if (enable) { 891 ret = usb_submit_urb(rr3->learn_urb, GFP_KERNEL); 892 if (ret) 893 dev_err(rr3->dev, "Failed to submit learning urb: %d", 894 ret); 895 } 896 897 return ret; 898 } 899 900 static void redrat3_learn_complete(struct urb *urb) 901 { 902 struct redrat3_dev *rr3 = urb->context; > 903 int ret; 904 905 switch (urb->status) { 906 case 0: 907 break; 908 case -ECONNRESET: 909 case -ENOENT: 910 case -ESHUTDOWN: 911 usb_unlink_urb(urb); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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