From 4165fe4ef7305609a96c7f248cefb9c414d0ede5 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Wed, 17 Feb 2010 13:07:13 +0000 Subject: [PATCH] tty: Fix up char drivers request_room usage We can't change them all but quite a few misuse it. Signed-off-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- drivers/char/nozomi.c | 2 -- drivers/char/serial167.c | 3 +-- drivers/char/specialix.c | 2 -- drivers/serial/icom.c | 1 - drivers/serial/ioc3_serial.c | 3 +-- 5 files changed, 2 insertions(+), 9 deletions(-) diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c index 584910ff725e..a3f32a15fde4 100644 --- a/drivers/char/nozomi.c +++ b/drivers/char/nozomi.c @@ -853,8 +853,6 @@ static int receive_data(enum port_type index, struct nozomi *dc) goto put; } - tty_buffer_request_room(tty, size); - while (size > 0) { read_mem32((u32 *) buf, addr + offset, RECEIVE_BUF_MAX); diff --git a/drivers/char/serial167.c b/drivers/char/serial167.c index 452370af95de..986aa606a6b6 100644 --- a/drivers/char/serial167.c +++ b/drivers/char/serial167.c @@ -658,8 +658,7 @@ static irqreturn_t cd2401_rx_interrupt(int irq, void *dev_id) info->mon.char_max = char_count; info->mon.char_last = char_count; #endif - len = tty_buffer_request_room(tty, char_count); - while (len--) { + while (char_count--) { data = base_addr[CyRDR]; tty_insert_flip_char(tty, data, TTY_NORMAL); #ifdef CYCLOM_16Y_HACK diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c index 268e17f9ec3f..07ac14d949ce 100644 --- a/drivers/char/specialix.c +++ b/drivers/char/specialix.c @@ -646,8 +646,6 @@ static void sx_receive(struct specialix_board *bp) dprintk(SX_DEBUG_RX, "port: %p: count: %d\n", port, count); port->hits[count > 8 ? 9 : count]++; - tty_buffer_request_room(tty, count); - while (count--) tty_insert_flip_char(tty, sx_in(bp, CD186x_RDR), TTY_NORMAL); tty_flip_buffer_push(tty); diff --git a/drivers/serial/icom.c b/drivers/serial/icom.c index 6e715b78d7a6..53a468227056 100644 --- a/drivers/serial/icom.c +++ b/drivers/serial/icom.c @@ -751,7 +751,6 @@ static void recv_interrupt(u16 port_int_reg, struct icom_port *icom_port) trace(icom_port, "FID_STATUS", status); count = cpu_to_le16(icom_port->statStg->rcv[rcv_buff].leLength); - count = tty_buffer_request_room(tty, count); trace(icom_port, "RCV_COUNT", count); trace(icom_port, "REAL_COUNT", count); diff --git a/drivers/serial/ioc3_serial.c b/drivers/serial/ioc3_serial.c index 85dc0410ac1a..23ba6b40b3ac 100644 --- a/drivers/serial/ioc3_serial.c +++ b/drivers/serial/ioc3_serial.c @@ -1411,8 +1411,7 @@ static int receive_chars(struct uart_port *the_port) read_count = do_read(the_port, ch, MAX_CHARS); if (read_count > 0) { flip = 1; - read_room = tty_buffer_request_room(tty, read_count); - tty_insert_flip_string(tty, ch, read_room); + read_room = tty_insert_flip_string(tty, ch, read_count); the_port->icount.rx += read_count; } spin_unlock_irqrestore(&the_port->lock, pflags); -- GitLab