From 4cd55ab1f991e4d4f3551a711f0f87441a57cd1b Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Wed, 30 Apr 2008 00:54:01 -0700 Subject: [PATCH] usb gadget: switch to put_char returning int Signed-off-by: Alan Cox Acked-by: Greg Kroah-Hartman Acked-by: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/usb/gadget/serial.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c index 433b3f44f42..8d158e5640e 100644 --- a/drivers/usb/gadget/serial.c +++ b/drivers/usb/gadget/serial.c @@ -170,7 +170,7 @@ static int gs_open(struct tty_struct *tty, struct file *file); static void gs_close(struct tty_struct *tty, struct file *file); static int gs_write(struct tty_struct *tty, const unsigned char *buf, int count); -static void gs_put_char(struct tty_struct *tty, unsigned char ch); +static int gs_put_char(struct tty_struct *tty, unsigned char ch); static void gs_flush_chars(struct tty_struct *tty); static int gs_write_room(struct tty_struct *tty); static int gs_chars_in_buffer(struct tty_struct *tty); @@ -883,14 +883,15 @@ exit: /* * gs_put_char */ -static void gs_put_char(struct tty_struct *tty, unsigned char ch) +static int gs_put_char(struct tty_struct *tty, unsigned char ch) { unsigned long flags; struct gs_port *port = tty->driver_data; + int ret = 0; if (port == NULL) { pr_err("gs_put_char: NULL port pointer\n"); - return; + return 0; } gs_debug("gs_put_char: (%d,%p) char=0x%x, called from %p\n", @@ -910,10 +911,11 @@ static void gs_put_char(struct tty_struct *tty, unsigned char ch) goto exit; } - gs_buf_put(port->port_write_buf, &ch, 1); + ret = gs_buf_put(port->port_write_buf, &ch, 1); exit: spin_unlock_irqrestore(&port->port_lock, flags); + return ret; } /* -- 2.41.1