Hi Bamvor,
[auto build test ERROR on char-misc/char-misc-testing] [also build test ERROR on v4.4-rc4 next-20151208]
url: https://github.com/0day-ci/linux/commits/Bamvor-Jian-Zhang/Convert-ppdev-to-... config: x86_64-randconfig-n0-12091355 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64
All errors (new ones prefixed by >>):
drivers/char/ppdev.c: In function 'pp_compat_ioctl':
drivers/char/ppdev.c:677:44: error: implicit declaration of function 'compat_ptr' [-Werror=implicit-function-declaration]
return pp_ioctl(file, cmd, (unsigned long)compat_ptr(arg)); ^ cc1: some warnings being treated as errors
vim +/compat_ptr +677 drivers/char/ppdev.c
671 } 672 673 #ifdef CONFIG_COMPAT 674 static long pp_compat_ioctl(struct file *file, unsigned int cmd, 675 unsigned long arg) 676 {
677 return pp_ioctl(file, cmd, (unsigned long)compat_ptr(arg));
678 } 679 #endif 680
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