Hi Jerry, Thank you for the patch! Yet something to improve: [auto build test ERROR on balbi-usb/next] [also build test ERROR on v4.16 next-20180409] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Jerry-Zhang/usb-gadget-f_fs-Add-compat_ioctl-to-ep0/20180410-060430 base: https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git next config: x86_64-randconfig-x017-201814 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/usb/gadget/function/f_fs.c: In function 'ffs_ep0_compat_ioctl': >> drivers/usb/gadget/function/f_fs.c:651:13: error: 'gadget' undeclared (first use in this function); did you mean 'bdget'? } else if (gadget && gadget->ops->compat_ioctl) { ^~~~~~ bdget drivers/usb/gadget/function/f_fs.c:651:13: note: each undeclared identifier is reported only once for each function it appears in vim +651 drivers/usb/gadget/function/f_fs.c 643 644 #ifdef CONFIG_COMPAT 645 static long ffs_ep0_compat_ioctl(struct file *file, unsigned code, unsigned long value) 646 { 647 long ret; 648 649 if (code == FUNCTIONFS_INTERFACE_REVMAP) { 650 ret = ffs_ep0_ioctl(file, code, value); > 651 } else if (gadget && gadget->ops->compat_ioctl) { 652 ret = gadget->ops->compat_ioctl(gadget, code, value); 653 } else { 654 ret = -ENOTTY; 655 } 656 657 return ret; 658 } 659 #endif 660 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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