diff options
Diffstat (limited to 'drivers/w1')
| -rw-r--r-- | drivers/w1/slaves/w1_ds28e04.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/w1/slaves/w1_ds28e04.c b/drivers/w1/slaves/w1_ds28e04.c index f652db3782b..4aa1aa90480 100644 --- a/drivers/w1/slaves/w1_ds28e04.c +++ b/drivers/w1/slaves/w1_ds28e04.c @@ -309,8 +309,10 @@ static ssize_t w1_f1C_write_pio(struct file *filp, struct kobject *kobj, mutex_lock(&sl->master->mutex); /* Write the PIO data */ - if (w1_reset_select_slave(sl)) + if (w1_reset_select_slave(sl)) { + mutex_unlock(&sl->master->mutex); return -1; + } /* set bit 7..2 to value '1' */ *buf = *buf | 0xFC; |