[PATCH 1/2] drivers: net: hso: Fix -Wcast-function-type

From: Phong Tran
Date: Mon Nov 25 2019 - 09:55:00 EST


correct usage prototype of callback in tasklet_init().
Report by https://github.com/KSPP/linux/issues/20

Signed-off-by: Phong Tran <tranmanphong@xxxxxxxxx>
---
drivers/net/usb/hso.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 74849da031fa..ca827802f291 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -1214,8 +1214,9 @@ static void hso_std_serial_read_bulk_callback(struct urb *urb)
* This needs to be a tasklet otherwise we will
* end up recursively calling this function.
*/
-static void hso_unthrottle_tasklet(struct hso_serial *serial)
+static void hso_unthrottle_tasklet(unsigned long data)
{
+ struct hso_serial *serial = (struct hso_serial *)data;
unsigned long flags;

spin_lock_irqsave(&serial->serial_lock, flags);
@@ -1265,7 +1266,7 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp)
/* Force default termio settings */
_hso_serial_set_termios(tty, NULL);
tasklet_init(&serial->unthrottle_tasklet,
- (void (*)(unsigned long))hso_unthrottle_tasklet,
+ hso_unthrottle_tasklet,
(unsigned long)serial);
result = hso_start_serial_device(serial->parent, GFP_KERNEL);
if (result) {
--
2.20.1