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cy(4): Convert to ttylock/ttyunlock.

This commit is contained in:
riastradh 2022-10-26 23:42:04 +00:00
parent 2ef45a3b45
commit 209524921d
1 changed files with 5 additions and 5 deletions
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10
sys/dev/ic/cy.c
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@ -1,4 +1,4 @@
/* $NetBSD: cy.c,v 1.62 2019/11/10 21:16:35 chs Exp $ */
/* $NetBSD: cy.c,v 1.63 2022/10/26 23:42:04 riastradh Exp $ */
/*
* cy.c
@ -16,7 +16,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: cy.c,v 1.62 2019/11/10 21:16:35 chs Exp $");
__KERNEL_RCSID(0, "$NetBSD: cy.c,v 1.63 2022/10/26 23:42:04 riastradh Exp $");
#include <sys/param.h>
#include <sys/ioctl.h>
@ -380,18 +380,18 @@ cyopen(dev_t dev, int flag, int mode, struct lwp *l)
/* wait for carrier if necessary */
if (!ISSET(flag, O_NONBLOCK)) {
mutex_spin_enter(&tty_lock);
ttylock(tp);
while (!ISSET(tp->t_cflag, CLOCAL) &&
!ISSET(tp->t_state, TS_CARR_ON)) {
tp->t_wopen++;
error = ttysleep(tp, &tp->t_rawcv, true, 0);
tp->t_wopen--;
if (error != 0) {
mutex_spin_exit(&tty_lock);
ttyunlock(tp);
return error;
}
}
mutex_spin_exit(&tty_lock);
ttyunlock(tp);
}
return (*tp->t_linesw->l_open) (dev, tp);