netdev - [Patch v2 2/2] net: usbnet: Fix -Wcast-function-type

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Date:   Tue, 26 Nov 2019 20:54:13 +0700
From:   Phong Tran <tranmanphong@...il.com>
To:     davem@...emloft.net
Cc:     alexios.zavras@...el.com, allison@...utok.net, benquike@...il.com,
        gregkh@...uxfoundation.org, johan@...nel.org,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        netdev@...r.kernel.org, oneukum@...e.com, tglx@...utronix.de,
        tranmanphong@...il.com
Subject: [Patch v2 2/2] net: usbnet: Fix -Wcast-function-type

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

Signed-off-by: Phong Tran <tranmanphong@...il.com>
---
 drivers/net/usb/usbnet.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index dde05e2fdc3e..30e511c2c8d0 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1573,6 +1573,13 @@ static void usbnet_bh (struct timer_list *t)
 	}
 }
 
+static void usbnet_bh_tasklet(unsigned long data)
+{
+	struct timer_list *t = (struct timer_list *)data;
+
+	usbnet_bh(t);
+}
+
 
 /*-------------------------------------------------------------------------
  *
@@ -1700,7 +1707,7 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
 	skb_queue_head_init (&dev->txq);
 	skb_queue_head_init (&dev->done);
 	skb_queue_head_init(&dev->rxq_pause);
-	dev->bh.func = (void (*)(unsigned long))usbnet_bh;
+	dev->bh.func = usbnet_bh_tasklet;
 	dev->bh.data = (unsigned long)&dev->delay;
 	INIT_WORK (&dev->kevent, usbnet_deferred_kevent);
 	init_usb_anchor(&dev->deferred);
-- 
2.20.1