From 2193ede180dde21b7f866cc457eb9e13341e663b Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Mon, 9 Sep 2024 11:17:38 +0000 Subject: [PATCH] net/9p/usbg: fix CONFIG_USB_GADGET dependency When USB gadget support is in a loadable module, 9pfs cannot link to it as a built-in driver: x86_64-linux-ld: vmlinux.o: in function `usb9pfs_free_func': trans_usbg.c:(.text+0x1070012): undefined reference to `usb_free_all_descriptors' x86_64-linux-ld: vmlinux.o: in function `disable_ep': trans_usbg.c:(.text+0x1070528): undefined reference to `usb_ep_disable' x86_64-linux-ld: vmlinux.o: in function `usb9pfs_func_unbind': trans_usbg.c:(.text+0x10705df): undefined reference to `usb_ep_free_request' x86_64-linux-ld: trans_usbg.c:(.text+0x107061f): undefined reference to `usb_ep_free_request' x86_64-linux-ld: vmlinux.o: in function `usb9pfs_func_bind': trans_usbg.c:(.text+0x107069f): undefined reference to `usb_interface_id' x86_64-linux-ld: trans_usbg.c:(.text+0x10706b5): undefined reference to `usb_string_id' Change the Kconfig dependency to only allow this to be enabled when it can successfully link and work. Fixes: a3be076dc174 ("net/9p/usbg: Add new usb gadget function transport") Signed-off-by: Arnd Bergmann Link: https://lore.kernel.org/r/20240909111745.248952-1-arnd@kernel.org Signed-off-by: Greg Kroah-Hartman --- net/9p/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/9p/Kconfig b/net/9p/Kconfig index 2d7e596e22c3..63f988f0c9e8 100644 --- a/net/9p/Kconfig +++ b/net/9p/Kconfig @@ -42,7 +42,7 @@ config NET_9P_XEN config NET_9P_USBG bool "9P USB Gadget Transport" - depends on USB_GADGET + depends on USB_GADGET=y || USB_GADGET=NET_9P help This builds support for a transport for 9pfs over usb gadget.