[PATCH] tee: optee: interruptible RPC sleep

From: Jens Wiklander
Date: Mon Jul 17 2017 - 06:10:36 EST


From: tiger-yu99 <tigeryu99@xxxxxxxxxxx>

Prior to this patch RPC sleep was uninterruptible since msleep() is
uninterruptible. Change to use msleep_interruptible() instead.

Signed-off-by: Tiger Yu <tigeryu99@xxxxxxxxxxx>
Reviewed-by: Joakim Bech <joakim.bech@xxxxxxxxxx>
Signed-off-by: Jerome Forissier <jerome.forissier@xxxxxxxxxx>
Signed-off-by: Jens Wiklander <jens.wiklander@xxxxxxxxxx>
---
drivers/tee/optee/rpc.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/tee/optee/rpc.c b/drivers/tee/optee/rpc.c
index 8814eca06021..9488ed1541bc 100644
--- a/drivers/tee/optee/rpc.c
+++ b/drivers/tee/optee/rpc.c
@@ -140,11 +140,8 @@ static void handle_rpc_func_cmd_wait(struct optee_msg_arg *arg)

msec_to_wait = arg->params[0].u.value.a;

- /* set task's state to interruptible sleep */
- set_current_state(TASK_INTERRUPTIBLE);
-
- /* take a nap */
- msleep(msec_to_wait);
+ /* Go to interruptible sleep */
+ msleep_interruptible(msec_to_wait);

arg->ret = TEEC_SUCCESS;
return;
--
2.7.4