diff options
| -rw-r--r-- | drivers/staging/android/logger.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/staging/android/logger.c b/drivers/staging/android/logger.c index 1e9e638cfd7..6dd6f0490c3 100644 --- a/drivers/staging/android/logger.c +++ b/drivers/staging/android/logger.c @@ -172,9 +172,10 @@ static ssize_t logger_read(struct file *file, char __user *buf, start: while (1) { + mutex_lock(&log->mutex); + prepare_to_wait(&log->wq, &wait, TASK_INTERRUPTIBLE); - mutex_lock(&log->mutex); ret = (log->w_off == reader->r_off); mutex_unlock(&log->mutex); if (!ret) |