diff options
Diffstat (limited to 'arch/um/drivers/line.c')
| -rw-r--r-- | arch/um/drivers/line.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c index fac058b4928..2c898c4d6b6 100644 --- a/arch/um/drivers/line.c +++ b/arch/um/drivers/line.c @@ -774,9 +774,11 @@ static irqreturn_t winch_interrupt(int irq, void *data) tty = winch->tty; if (tty != NULL) { line = tty->driver_data; - chan_window_size(&line->chan_list, &tty->winsize.ws_row, - &tty->winsize.ws_col); - kill_pgrp(tty->pgrp, SIGWINCH, 1); + if (line != NULL) { + chan_window_size(&line->chan_list, &tty->winsize.ws_row, + &tty->winsize.ws_col); + kill_pgrp(tty->pgrp, SIGWINCH, 1); + } } out: if (winch->fd != -1) |