diff options
| -rw-r--r-- | drivers/staging/iio/industrialio-core.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c index 87799b2a926..4ff683a3df3 100644 --- a/drivers/staging/iio/industrialio-core.c +++ b/drivers/staging/iio/industrialio-core.c @@ -292,16 +292,16 @@ ssize_t iio_event_chrdev_read(struct file *filep, mutex_unlock(&ev_int->event_list_lock); /* * Possible concurency issue if an update of this event is on its way - * through. May lead to new even being removed whilst the reported event - * was the unescalated event. In typical use case this is not a problem - * as userspace will say read half the buffer due to a 50% full event - * which would make the correct 100% full incorrect anyway. + * through. May lead to new event being removed whilst the reported + * event was the unescalated event. In typical use case this is not a + * problem as userspace will say read half the buffer due to a 50% + * full event which would make the correct 100% full incorrect anyway. */ - spin_lock(&el->shared_pointer->lock); - if (el->shared_pointer) + if (el->shared_pointer) { + spin_lock(&el->shared_pointer->lock); (el->shared_pointer->ev_p) = NULL; - spin_unlock(&el->shared_pointer->lock); - + spin_unlock(&el->shared_pointer->lock); + } kfree(el); return len; |