diff options
| author | Alan Cox <alan@linux.intel.com> | 2010-02-17 14:07:13 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-03-02 23:43:22 +0100 |
| commit | 4165fe4ef7305609a96c7f248cefb9c414d0ede5 (patch) | |
| tree | 3e239b821a4b5365c7e15996d44fbf4726cd7840 /drivers/char | |
| parent | tty: Fix the ldisc hangup race (diff) | |
| download | linux-4165fe4ef7305609a96c7f248cefb9c414d0ede5.tar.xz linux-4165fe4ef7305609a96c7f248cefb9c414d0ede5.zip | |
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 <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/nozomi.c | 2 | ||||
| -rw-r--r-- | drivers/char/serial167.c | 3 | ||||
| -rw-r--r-- | drivers/char/specialix.c | 2 |
3 files changed, 1 insertions, 6 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); |