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* [PATCH] wl1251: use skb_trim to make skb shorter
       [not found] <20140225105756.GB22279@mudshark.cambridge.arm.com>
@ 2014-03-01 12:52 ` Ivaylo Dimitrov
  2014-03-04 14:26   ` Will Deacon
  0 siblings, 1 reply; 4+ messages in thread
From: Ivaylo Dimitrov @ 2014-03-01 12:52 UTC (permalink / raw)
  To: linville
  Cc: will.deacon, pali.rohar, pavel, linux-wireless, linux-kernel,
	Ivaylo Dimitrov

the current code is directly setting skb->len, which is not correct and
brings problems with HAVE_EFFICIENT_UNALIGNED_ACCESS enabled in config

Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
---
 drivers/net/wireless/ti/wl1251/rx.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ti/wl1251/rx.c b/drivers/net/wireless/ti/wl1251/rx.c
index 123c4bb..cde0eaf 100644
--- a/drivers/net/wireless/ti/wl1251/rx.c
+++ b/drivers/net/wireless/ti/wl1251/rx.c
@@ -180,7 +180,7 @@ static void wl1251_rx_body(struct wl1251 *wl,
 	wl1251_mem_read(wl, rx_packet_ring_addr, rx_buffer, length);
 
 	/* The actual length doesn't include the target's alignment */
-	skb->len = desc->length  - PLCP_HEADER_LENGTH;
+	skb_trim(skb, desc->length - PLCP_HEADER_LENGTH);
 
 	fc = (u16 *)skb->data;
 
-- 
1.7.9.5


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH] wl1251: use skb_trim to make skb shorter
  2014-03-01 12:52 ` [PATCH] wl1251: use skb_trim to make skb shorter Ivaylo Dimitrov
@ 2014-03-04 14:26   ` Will Deacon
  2014-03-04 18:33     ` John W. Linville
  0 siblings, 1 reply; 4+ messages in thread
From: Will Deacon @ 2014-03-04 14:26 UTC (permalink / raw)
  To: Ivaylo Dimitrov
  Cc: linville@tuxdriver.com, pali.rohar@gmail.com, pavel@ucw.cz,
	linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org

Hi Jonn,

On Sat, Mar 01, 2014 at 12:52:06PM +0000, Ivaylo Dimitrov wrote:
> the current code is directly setting skb->len, which is not correct and
> brings problems with HAVE_EFFICIENT_UNALIGNED_ACCESS enabled in config
> 
> Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
> ---

Can you pick this patch up please? It addresses a regression introduced in
the merge window (ARM started selecting HAVE_EFFICIENT_UNALIGNED_ACCESS).

Cheers,

Will

>  drivers/net/wireless/ti/wl1251/rx.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/wireless/ti/wl1251/rx.c b/drivers/net/wireless/ti/wl1251/rx.c
> index 123c4bb..cde0eaf 100644
> --- a/drivers/net/wireless/ti/wl1251/rx.c
> +++ b/drivers/net/wireless/ti/wl1251/rx.c
> @@ -180,7 +180,7 @@ static void wl1251_rx_body(struct wl1251 *wl,
>  	wl1251_mem_read(wl, rx_packet_ring_addr, rx_buffer, length);
>  
>  	/* The actual length doesn't include the target's alignment */
> -	skb->len = desc->length  - PLCP_HEADER_LENGTH;
> +	skb_trim(skb, desc->length - PLCP_HEADER_LENGTH);
>  
>  	fc = (u16 *)skb->data;
>  
> -- 
> 1.7.9.5
> 
> 

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] wl1251: use skb_trim to make skb shorter
  2014-03-04 14:26   ` Will Deacon
@ 2014-03-04 18:33     ` John W. Linville
  2014-03-05 10:06       ` Will Deacon
  0 siblings, 1 reply; 4+ messages in thread
From: John W. Linville @ 2014-03-04 18:33 UTC (permalink / raw)
  To: Will Deacon
  Cc: Ivaylo Dimitrov, pali.rohar@gmail.com, pavel@ucw.cz,
	linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org

OK, I'll queue it as a fix...

On Tue, Mar 04, 2014 at 02:26:58PM +0000, Will Deacon wrote:
> Hi Jonn,
> 
> On Sat, Mar 01, 2014 at 12:52:06PM +0000, Ivaylo Dimitrov wrote:
> > the current code is directly setting skb->len, which is not correct and
> > brings problems with HAVE_EFFICIENT_UNALIGNED_ACCESS enabled in config
> > 
> > Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
> > ---
> 
> Can you pick this patch up please? It addresses a regression introduced in
> the merge window (ARM started selecting HAVE_EFFICIENT_UNALIGNED_ACCESS).
> 
> Cheers,
> 
> Will
> 
> >  drivers/net/wireless/ti/wl1251/rx.c |    2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/net/wireless/ti/wl1251/rx.c b/drivers/net/wireless/ti/wl1251/rx.c
> > index 123c4bb..cde0eaf 100644
> > --- a/drivers/net/wireless/ti/wl1251/rx.c
> > +++ b/drivers/net/wireless/ti/wl1251/rx.c
> > @@ -180,7 +180,7 @@ static void wl1251_rx_body(struct wl1251 *wl,
> >  	wl1251_mem_read(wl, rx_packet_ring_addr, rx_buffer, length);
> >  
> >  	/* The actual length doesn't include the target's alignment */
> > -	skb->len = desc->length  - PLCP_HEADER_LENGTH;
> > +	skb_trim(skb, desc->length - PLCP_HEADER_LENGTH);
> >  
> >  	fc = (u16 *)skb->data;
> >  
> > -- 
> > 1.7.9.5
> > 
> > 
> 

-- 
John W. Linville		Someday the world will need a hero, and you
linville@tuxdriver.com			might be all we have.  Be ready.

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] wl1251: use skb_trim to make skb shorter
  2014-03-04 18:33     ` John W. Linville
@ 2014-03-05 10:06       ` Will Deacon
  0 siblings, 0 replies; 4+ messages in thread
From: Will Deacon @ 2014-03-05 10:06 UTC (permalink / raw)
  To: John W. Linville
  Cc: Ivaylo Dimitrov, pali.rohar@gmail.com, pavel@ucw.cz,
	linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org

On Tue, Mar 04, 2014 at 06:33:48PM +0000, John W. Linville wrote:
> OK, I'll queue it as a fix...

Thanks, John.

Will


> On Tue, Mar 04, 2014 at 02:26:58PM +0000, Will Deacon wrote:
> > Hi Jonn,
> > 
> > On Sat, Mar 01, 2014 at 12:52:06PM +0000, Ivaylo Dimitrov wrote:
> > > the current code is directly setting skb->len, which is not correct and
> > > brings problems with HAVE_EFFICIENT_UNALIGNED_ACCESS enabled in config
> > > 
> > > Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
> > > ---
> > 
> > Can you pick this patch up please? It addresses a regression introduced in
> > the merge window (ARM started selecting HAVE_EFFICIENT_UNALIGNED_ACCESS).
> > 
> > Cheers,
> > 
> > Will
> > 
> > >  drivers/net/wireless/ti/wl1251/rx.c |    2 +-
> > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > > 
> > > diff --git a/drivers/net/wireless/ti/wl1251/rx.c b/drivers/net/wireless/ti/wl1251/rx.c
> > > index 123c4bb..cde0eaf 100644
> > > --- a/drivers/net/wireless/ti/wl1251/rx.c
> > > +++ b/drivers/net/wireless/ti/wl1251/rx.c
> > > @@ -180,7 +180,7 @@ static void wl1251_rx_body(struct wl1251 *wl,
> > >  	wl1251_mem_read(wl, rx_packet_ring_addr, rx_buffer, length);
> > >  
> > >  	/* The actual length doesn't include the target's alignment */
> > > -	skb->len = desc->length  - PLCP_HEADER_LENGTH;
> > > +	skb_trim(skb, desc->length - PLCP_HEADER_LENGTH);
> > >  
> > >  	fc = (u16 *)skb->data;
> > >  
> > > -- 
> > > 1.7.9.5
> > > 
> > > 
> > 
> 
> -- 
> John W. Linville		Someday the world will need a hero, and you
> linville@tuxdriver.com			might be all we have.  Be ready.
> 

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2014-03-05 10:06 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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     [not found] <20140225105756.GB22279@mudshark.cambridge.arm.com>
2014-03-01 12:52 ` [PATCH] wl1251: use skb_trim to make skb shorter Ivaylo Dimitrov
2014-03-04 14:26   ` Will Deacon
2014-03-04 18:33     ` John W. Linville
2014-03-05 10:06       ` Will Deacon

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