diff options
Diffstat (limited to 'drivers/char/stallion.c')
| -rw-r--r-- | drivers/char/stallion.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c index 983244ab136..d17be10c5d2 100644 --- a/drivers/char/stallion.c +++ b/drivers/char/stallion.c @@ -875,6 +875,7 @@ static void stl_waituntilsent(struct tty_struct *tty, int timeout) timeout = HZ; tend = jiffies + timeout; + lock_kernel(); while (stl_datastate(portp)) { if (signal_pending(current)) break; @@ -882,6 +883,7 @@ static void stl_waituntilsent(struct tty_struct *tty, int timeout) if (time_after_eq(jiffies, tend)) break; } + unlock_kernel(); } /*****************************************************************************/ |