[PATCH v2 3/3] hw_random: increase schedule timeout in rng_dev_read()

Amos Kong
2014-09-15T16:04:08Z

This patch increases the schedule timeout to 10 jiffies, it's more
appropriate, then other takes can easy to hold the mutex lock.

Signed-off-by: Amos Kong <akong@redhat.com>
---
drivers/char/hw_random/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 263a370..b5d1b6f 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -195,7 +195,7 @@ static ssize_t rng_dev_read(struct file *filp, char __user *buf,

mutex_unlock(&rng_mutex);

- schedule_timeout_interruptible(1);
+ schedule_timeout_interruptible(10);

if (signal_pending(current)) {
err = -ERESTARTSYS;
--
1.9.3