diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2013-01-03 15:53:06 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-15 22:30:15 -0800 |
| commit | 2e124b4a390ca85325fae75764bef92f0547fa25 (patch) | |
| tree | 5519fbcdbe954e79b271ea6d31ac5a4dc754c4f5 /drivers/s390/char/sclp_vt220.c | |
| parent | d6c53c0e9bd0a83f9f9ddbc9fd80141a54d83896 (diff) | |
| download | linux-2e124b4a390ca85325fae75764bef92f0547fa25.tar.gz | |
TTY: switch tty_flip_buffer_push
Now, we start converting tty buffer functions to actually use tty_port. This will allow us to get rid of the need of tty in many call sites. Only tty_port will needed and hence no more tty_port_tty_get in those paths. Now, the one where most of tty_port_tty_get gets removed: tty_flip_buffer_push. IOW we also closed all the races in drivers not using tty_port_tty_get at all yet. Also we move tty_flip_buffer_push declaration from include/linux/tty.h to include/linux/tty_flip.h to all others while we are changing it anyway. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/s390/char/sclp_vt220.c')
| -rw-r--r-- | drivers/s390/char/sclp_vt220.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c index 0eca99b98712..6c92f62623be 100644 --- a/drivers/s390/char/sclp_vt220.c +++ b/drivers/s390/char/sclp_vt220.c @@ -461,14 +461,9 @@ sclp_vt220_write(struct tty_struct *tty, const unsigned char *buf, int count) static void sclp_vt220_receiver_fn(struct evbuf_header *evbuf) { - struct tty_struct *tty = tty_port_tty_get(&sclp_vt220_port); char *buffer; unsigned int count; - /* Ignore input if device is not open */ - if (tty == NULL) - return; - buffer = (char *) ((addr_t) evbuf + sizeof(struct evbuf_header)); count = evbuf->length - sizeof(struct evbuf_header); @@ -481,10 +476,9 @@ sclp_vt220_receiver_fn(struct evbuf_header *evbuf) buffer++; count--; tty_insert_flip_string(&sclp_vt220_port, buffer, count); - tty_flip_buffer_push(tty); + tty_flip_buffer_push(&sclp_vt220_port); break; } - tty_kref_put(tty); } /* |