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From:   Phong Tran <tranmanphong@gmail.com>
To:     davem@davemloft.net
Cc:     alexios.zavras@intel.com, allison@lohutok.net, benquike@gmail.com,
        gregkh@linuxfoundation.org, johan@kernel.org,
        linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
        netdev@vger.kernel.org, oneukum@suse.com, tglx@linutronix.de,
        tranmanphong@gmail.com
Subject: [Patch v2 1/2] net: hso: Fix -Wcast-function-type
Date:   Tue, 26 Nov 2019 20:54:12 +0700
Message-Id: <20191126135413.19929-2-tranmanphong@gmail.com>
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 <20191126135413.19929-1-tranmanphong@gmail.com>
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correct usage prototype of callback in tasklet_init().
Report by https://github.com/KSPP/linux/issues/20

Signed-off-by: Phong Tran <tranmanphong@gmail.com>
---
 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