netdev - Re: linux-next: build failure after merge of the net-next tree

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Message-ID: <20210513111110.02e1caee@canb.auug.org.au>
Date:   Thu, 13 May 2021 11:11:10 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     David Miller <davem@...emloft.net>,
        Networking <netdev@...r.kernel.org>, Greg KH <greg@...ah.com>
Cc:     Loic Poulain <loic.poulain@...aro.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Oliver Neukum <oneukum@...e.com>
Subject: Re: linux-next: build failure after merge of the net-next tree

Hi all,

On Wed, 12 May 2021 09:54:18 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> On Wed, 12 May 2021 09:52:01 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> >
> > After merging the net-next tree, today's linux-next build (x86_64
> > allmodconfig) failed like this:
> > 
> > drivers/usb/class/cdc-wdm.c: In function 'wdm_wwan_port_stop':
> > drivers/usb/class/cdc-wdm.c:858:2: error: implicit declaration of function 'kill_urbs' [-Werror=implicit-function-declaration]
> >   858 |  kill_urbs(desc);
> >       |  ^~~~~~~~~
> > 
> > Caused by commit
> > 
> >   cac6fb015f71 ("usb: class: cdc-wdm: WWAN framework integration")
> > 
> > kill_urbs() was removed by commit
> > 
> >   18abf8743674 ("cdc-wdm: untangle a circular dependency between callback and softint")
> > 
> > Which is included in v5.13-rc1.  
> 
> Sorry, that commit is only in linux-next (from the usb.current tree).
> I will do a merge fix up tomorrow - unless someone provides one.
> 
> > I have used the net-next tree from next-20210511 for today.  

I have used the following merge fix patch for today.  I don't know if
this is sufficient (or even correct), but it does build.

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Thu, 13 May 2021 11:04:09 +1000
Subject: [PATCH] usb: class: cdc-wdm: fix for kill_urbs() removal

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/usb/class/cdc-wdm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index c88dcc4b6618..489b0e049402 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -855,7 +855,7 @@ static void wdm_wwan_port_stop(struct wwan_port *port)
 	struct wdm_device *desc = wwan_port_get_drvdata(port);
 
 	/* Stop all transfers and disable WWAN mode */
-	kill_urbs(desc);
+	poison_urbs(desc);
 	desc->manage_power(desc->intf, 0);
 	clear_bit(WDM_READ, &desc->flags);
 	clear_bit(WDM_WWAN_IN_USE, &desc->flags);
-- 
2.30.2

-- 
Cheers,
Stephen Rothwell

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