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| author | Alan Cox <alan@lxorguk.ukuu.org.uk> | 2008-04-30 11:54:01 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-30 19:29:45 +0400 |
| commit | 4cd55ab1f991e4d4f3551a711f0f87441a57cd1b (patch) | |
| tree | f503b9bdb96008dbe47365cde49cdd0ce3f945ac /drivers/usb/gadget/serial.c | |
| parent | 09a6ffa84c8e893d9656296b322dc8145e09e186 (diff) | |
| download | linux-4cd55ab1f991e4d4f3551a711f0f87441a57cd1b.tar.xz | |
usb gadget: switch to put_char returning int
Signed-off-by: Alan Cox <alan@redhat.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/usb/gadget/serial.c')
| -rw-r--r-- | drivers/usb/gadget/serial.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c index 433b3f44f42e..8d158e5640e3 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; } /* |