diff options
Diffstat (limited to 'drivers/char/rio/riotty.c')
| -rw-r--r-- | drivers/char/rio/riotty.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/char/rio/riotty.c b/drivers/char/rio/riotty.c index a4f0b1e3e7f..cfa54361473 100644 --- a/drivers/char/rio/riotty.c +++ b/drivers/char/rio/riotty.c @@ -319,6 +319,7 @@ int riotopen(struct tty_struct *tty, struct file *filp) PortP->State |= RIO_WOPEN; rio_spin_unlock_irqrestore(&PortP->portSem, flags); if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL) { + rio_spin_lock_irqsave(&PortP->portSem, flags); /* ** ACTION: verify that this is a good thing ** to do here. -- ??? @@ -334,6 +335,7 @@ int riotopen(struct tty_struct *tty, struct file *filp) func_exit(); return -EINTR; } + rio_spin_lock_irqsave(&PortP->portSem, flags); } PortP->State &= ~RIO_WOPEN; } @@ -493,6 +495,7 @@ int riotclose(void *ptr) if (RIOShortCommand(p, PortP, CLOSE, 1, 0) == RIO_FAIL) { RIOPreemptiveCmd(p, PortP, FCLOSE); + rio_spin_lock_irqsave(&PortP->portSem, flags); goto close_end; } @@ -508,6 +511,7 @@ int riotclose(void *ptr) if (p->RIOHalted) { RIOClearUp(PortP); + rio_spin_lock_irqsave(&PortP->portSem, flags); goto close_end; } if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL) { |