diff options
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) | |||
461 | static void | 461 | static void |
462 | sclp_vt220_receiver_fn(struct evbuf_header *evbuf) | 462 | sclp_vt220_receiver_fn(struct evbuf_header *evbuf) |
463 | { | 463 | { |
464 | struct tty_struct *tty = tty_port_tty_get(&sclp_vt220_port); | ||
465 | char *buffer; | 464 | char *buffer; |
466 | unsigned int count; | 465 | unsigned int count; |
467 | 466 | ||
468 | /* Ignore input if device is not open */ | ||
469 | if (tty == NULL) | ||
470 | return; | ||
471 | |||
472 | buffer = (char *) ((addr_t) evbuf + sizeof(struct evbuf_header)); | 467 | buffer = (char *) ((addr_t) evbuf + sizeof(struct evbuf_header)); |
473 | count = evbuf->length - sizeof(struct evbuf_header); | 468 | count = evbuf->length - sizeof(struct evbuf_header); |
474 | 469 | ||
@@ -481,10 +476,9 @@ sclp_vt220_receiver_fn(struct evbuf_header *evbuf) | |||
481 | buffer++; | 476 | buffer++; |
482 | count--; | 477 | count--; |
483 | tty_insert_flip_string(&sclp_vt220_port, buffer, count); | 478 | tty_insert_flip_string(&sclp_vt220_port, buffer, count); |
484 | tty_flip_buffer_push(tty); | 479 | tty_flip_buffer_push(&sclp_vt220_port); |
485 | break; | 480 | break; |
486 | } | 481 | } |
487 | tty_kref_put(tty); | ||
488 | } | 482 | } |
489 | 483 | ||
490 | /* | 484 | /* |