linux-kernel - Re: [PATCH] staging: wilc1000: fix incorrect type in initializer

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Date:   Tue, 26 Feb 2019 12:59:35 +0100
From:   Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Bo YU <tsu.yubo@...il.com>
Cc:     adham.abozaeid@...rochip.com, ajay.kathat@...rochip.com,
        于波 <yuzibode@....com>,
        "open list:STAGING SUBSYSTEM" <devel@...verdev.osuosl.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] staging: wilc1000: fix incorrect type in initializer

On Tue, Feb 26, 2019 at 07:29:56PM +0800, Bo YU wrote:
> On Tue, Feb 26, 2019 at 2:00 PM Bo YU <tsu.yubo@...il.com> wrote:
> 
> > Fix sparse warning following:
> >
> > drivers/staging/wilc1000/host_interface.c:444:49: warning: incorrect type
> > in initializer (different address spaces)
> > drivers/staging/wilc1000/host_interface.c:444:49:    expected struct
> > cfg80211_bss_ies const *ies
> > drivers/staging/wilc1000/host_interface.c:444:49:    got struct
> > cfg80211_bss_ies const [noderef] <asn:4> *ies
> >
> > Signed-off-by: Bo YU <tsu.yubo@...il.com>
> > ---
> >  drivers/staging/wilc1000/host_interface.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/staging/wilc1000/host_interface.c
> > b/drivers/staging/wilc1000/host_interface.c
> > index cdcb52aec779..89ae22d40f71 100644
> > --- a/drivers/staging/wilc1000/host_interface.c
> > +++ b/drivers/staging/wilc1000/host_interface.c
> > @@ -441,7 +441,7 @@ void *wilc_parse_join_bss_param(struct cfg80211_bss
> > *bss,
> >         const u8 *tim_elm, *ssid_elm, *rates_ie, *supp_rates_ie;
> >         const u8 *ht_ie, *wpa_ie, *wmm_ie, *rsn_ie;
> >         int ret;
> > -       const struct cfg80211_bss_ies *ies = bss->ies;
> > +       const struct cfg80211_bss_ies *ies = rcu_dereference(bss->ies);
> >
> >         param = kzalloc(sizeof(*param), GFP_KERNEL);
> >         if (!param)
> > --
> > 2.11.0
> >
> > Hi,
> I do not Ccing wireless-list, Does it matter?

It would be nice to do that in the future.