Hello, syzbot tried to test the proposed patch but the build/boot failed: drivers/net/wireless/ath/ath9k/hif_usb.c:1319:7: error: implicit declaration of function 'usb_find_bulk_in'; did you mean 'usb_fill_bulk_urb'? [-Werror=implicit-function-declaration] drivers/net/wireless/ath/ath9k/hif_usb.c:1319:24: error: implicit declaration of function 'endpoint' [-Werror=implicit-function-declaration] drivers/net/wireless/ath/ath9k/hif_usb.c:1321:7: error: implicit declaration of function 'usb_find_bulk_out'; did you mean 'usb_fill_bulk_urb'? [-Werror=implicit-function-declaration] drivers/net/wireless/ath/ath9k/hif_usb.c:1322:46: error: expected ')' before 'return' drivers/net/wireless/ath/ath9k/hif_usb.c:1357:13: error: expected ')' before '}' token drivers/net/wireless/ath/ath9k/hif_usb.c:1358:1: error: expected expression before '}' token Tested on: commit: 549738f1 Linux 5.9-rc8 git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git v5.9-rc8 dashboard link: https://syzkaller.appspot.com/bug?extid=f5378bcf0f0cab45c1c6 compiler: gcc (GCC) 10.1.0-syz 20200507 patch: https://syzkaller.appspot.com/x/patch.diff?x=1200b51b900000