From: Randy Dunlap <randy.dunlap@xxxxxxxxxx> Fix build error when CONFIG_MAGIC_SYSRQ is not enabled: drivers/usb/serial/generic.c:566: error: implicit declaration of function 'handle_sysrq' Signed-off-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx> --- drivers/usb/serial/generic.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index ba61c74..a5e6109 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -12,6 +12,7 @@ #include <linux/kernel.h> #include <linux/errno.h> #include <linux/slab.h> +#include <linux/sysrq.h> #include <linux/tty.h> #include <linux/tty_flip.h> #include <linux/module.h> @@ -558,6 +559,7 @@ void usb_serial_generic_unthrottle(struct tty_struct *tty) } } +#ifdef CONFIG_MAGIC_SYSRQ int usb_serial_handle_sysrq_char(struct tty_struct *tty, struct usb_serial_port *port, unsigned int ch) { @@ -571,6 +573,13 @@ int usb_serial_handle_sysrq_char(struct tty_struct *tty, } return 0; } +#else +int usb_serial_handle_sysrq_char(struct tty_struct *tty, + struct usb_serial_port *port, unsigned int ch) +{ + return 0; +} +#endif EXPORT_SYMBOL_GPL(usb_serial_handle_sysrq_char); int usb_serial_handle_break(struct usb_serial_port *port) -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html