On Mon, 22 Apr 2013 12:35:26 -0700 (PDT) David Rientjes <rient...@google.com> 
wrote:

> On Fri, 19 Apr 2013, Joe Perches wrote:
> 
> > @@ -966,11 +934,13 @@ static int realtek_cr_autosuspend_setup(struct 
> > us_data *us)
> >  static void realtek_cr_destructor(void *extra)
> >  {
> >     struct rts51x_chip *chip = (struct rts51x_chip *)extra;
> > -
> > -   US_DEBUGP("%s: <---\n", __func__);
> > +   struct us_data *us;
> >  
> >     if (!chip)
> >             return;
> > +
> > +   us = chip->us;
> > +
> >  #ifdef CONFIG_REALTEK_AUTOPM
> >     if (ss_en) {
> >             del_timer(&chip->rts51x_suspend_timer);
> 
> >From linux-next:
> 
> drivers/usb/storage/realtek_cr.c: In function 'realtek_cr_destructor':
> drivers/usb/storage/realtek_cr.c:942:11: error: 'struct rts51x_chip' has no 
> member named 'us'
> 
> chip->us here is only defined when CONFIG_REALTEK_AUTOPM is enabled.

local var `us' doesn't get used by anything and it's unclear why that
patch added it?  



From: Andrew Morton <a...@linux-foundation.org>
Subject: drivers/usb/storage/realtek_cr.c: fix build

Remove unused local `us', which broke the build.  Also nuke an unneeded
cast.

Repairs 191648d03d20 ("usb: storage: Convert US_DEBUGP to usb_stor_dbg").

Cc: Joe Perches <j...@perches.com>
Cc: David Rientjes <rient...@google.com>
Cc: Greg KH <g...@kroah.com>
Signed-off-by: Andrew Morton <a...@linux-foundation.org>
---

 drivers/usb/storage/realtek_cr.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff -puN 
drivers/usb/storage/realtek_cr.c~drivers-usb-storage-realtek_crc-fix-build 
drivers/usb/storage/realtek_cr.c
--- a/drivers/usb/storage/realtek_cr.c~drivers-usb-storage-realtek_crc-fix-build
+++ a/drivers/usb/storage/realtek_cr.c
@@ -933,14 +933,11 @@ static int realtek_cr_autosuspend_setup(
 
 static void realtek_cr_destructor(void *extra)
 {
-       struct rts51x_chip *chip = (struct rts51x_chip *)extra;
-       struct us_data *us;
+       struct rts51x_chip *chip = extra;
 
        if (!chip)
                return;
 
-       us = chip->us;
-
 #ifdef CONFIG_REALTEK_AUTOPM
        if (ss_en) {
                del_timer(&chip->rts51x_suspend_timer);
_


Left unfixed:

drivers/usb/storage/realtek_cr.c:628: warning: 
'config_autodelink_before_power_down' defined but not used
drivers/usb/storage/realtek_cr.c:698: warning: 'fw5895_init' defined but not 
used

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