[PATCH 4.14 3/8] uio: use request_threaded_irq instead

From: Rantala, Tommi T. (Nokia - FI/Espoo)
Date: Wed Feb 13 2019 - 11:29:40 EST


From: Xiubo Li <xiubli@xxxxxxxxxx>

commit 9421e45f5ff3d558cf8b75a8cc0824530caf3453 upstream.

Prepraing for changing to use mutex lock.

Signed-off-by: Xiubo Li <xiubli@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Tommi Rantala <tommi.t.rantala@xxxxxxxxx>
---
drivers/uio/uio.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index 288c4b977184..c97945a3f572 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -911,8 +911,9 @@ int __uio_register_device(struct module *owner,
* FDs at the time of unregister and therefore may not be
* freed until they are released.
*/
- ret = request_irq(info->irq, uio_interrupt,
- info->irq_flags, info->name, idev);
+ ret = request_threaded_irq(info->irq, NULL, uio_interrupt,
+ info->irq_flags, info->name, idev);
+
if (ret) {
info->uio_dev = NULL;
goto err_request_irq;
--
2.20.1