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

Amos Kong
Mon, 15 Sep 2014 16:02:29 -0000

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 at 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