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| author | Alan Cox <alan@lxorguk.ukuu.org.uk> | 2008-04-30 00:54:05 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-30 08:29:46 -0700 |
| commit | a5b08c66194fba02a865b397579b7204688bcb1e (patch) | |
| tree | a140b9c3bdb70f30160d6b7267c39e3a3635797d /drivers/char/serial167.c | |
| parent | bbbbb96f5ea84971545ecae5a9ec50387cd9c6a3 (diff) | |
| download | lwn-a5b08c66194fba02a865b397579b7204688bcb1e.tar.gz lwn-a5b08c66194fba02a865b397579b7204688bcb1e.zip | |
serial167: switch to int put_char method
Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Jiri Slaby <jirislaby@gmail.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/serial167.c')
| -rw-r--r-- | drivers/char/serial167.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/char/serial167.c b/drivers/char/serial167.c index 62d6f2e0fd18..fd2db07a50fc 100644 --- a/drivers/char/serial167.c +++ b/drivers/char/serial167.c @@ -1060,7 +1060,7 @@ static void config_setup(struct cyclades_port *info) } /* config_setup */ -static void cy_put_char(struct tty_struct *tty, unsigned char ch) +static int cy_put_char(struct tty_struct *tty, unsigned char ch) { struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; unsigned long flags; @@ -1070,7 +1070,7 @@ static void cy_put_char(struct tty_struct *tty, unsigned char ch) #endif if (serial_paranoia_check(info, tty->name, "cy_put_char")) - return; + return 0; if (!info->xmit_buf) return; @@ -1078,13 +1078,14 @@ static void cy_put_char(struct tty_struct *tty, unsigned char ch) local_irq_save(flags); if (info->xmit_cnt >= PAGE_SIZE - 1) { local_irq_restore(flags); - return; + return 0; } info->xmit_buf[info->xmit_head++] = ch; info->xmit_head &= PAGE_SIZE - 1; info->xmit_cnt++; local_irq_restore(flags); + return 1; } /* cy_put_char */ static void cy_flush_chars(struct tty_struct *tty) |