Messages in this thread Patch in this message | | | Date | Sun, 13 Apr 2008 18:16:40 +0100 | From | Alan Cox <> | Subject | [PATCH] serial167: switch to int put_char method |
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Signed-off-by: Alan Cox <alan@redhat.com>
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.25-rc8-mm2/drivers/char/serial167.c linux-2.6.25-rc8-mm2/drivers/char/serial167.c --- linux.vanilla-2.6.25-rc8-mm2/drivers/char/serial167.c 2008-04-13 15:36:53.000000000 +0100 +++ linux-2.6.25-rc8-mm2/drivers/char/serial167.c 2008-04-13 15:41:05.000000000 +0100 @@ -1060,7 +1060,7 @@ } /* 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 @@ #endif if (serial_paranoia_check(info, tty->name, "cy_put_char")) - return; + return 0; if (!info->xmit_buf) return; @@ -1078,13 +1078,14 @@ 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)
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