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Message-ID: <alpine.DEB.2.20.1703021050020.3414@hadrien>
Date:   Thu, 2 Mar 2017 10:50:26 +0100 (CET)
From:   Julia Lawall <julia.lawall@...6.fr>
To:     simran singhal <singhalsimran0@...il.com>
cc:     gregkh@...uxfoundation.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, sergio.paracuellos@...il.com,
        juliana.orod@...il.com, thomas.petazzoni@...e-electrons.com,
        noralf@...nnes.org, outreachy-kernel@...glegroups.com
Subject: Re: [Outreachy kernel] [PATCH 1/6] staging: wlan-ng: Fix sparse
 warning of restricted __le16



On Thu, 2 Mar 2017, Julia Lawall wrote:

>
>
> On Thu, 2 Mar 2017, simran singhal wrote:
>
> > This patch fixes the following sparse warning:
> > warning: cast to restricted __le16
>
> You commit message should not say just fix X.  What have you done to carry
> out the fix and why is this the correct approach?

This comment applies to all of the patches in the series.

julia

>
> julia
>
> >
> > Signed-off-by: simran singhal <singhalsimran0@...il.com>
> > ---
> >  drivers/staging/wlan-ng/prism2sta.c | 51 ++++++++++++++++++-------------------
> >  1 file changed, 25 insertions(+), 26 deletions(-)
> >
> > diff --git a/drivers/staging/wlan-ng/prism2sta.c b/drivers/staging/wlan-ng/prism2sta.c
> > index 984804b..82d3a70 100644
> > --- a/drivers/staging/wlan-ng/prism2sta.c
> > +++ b/drivers/staging/wlan-ng/prism2sta.c
> > @@ -372,10 +372,9 @@ static int prism2sta_mlmerequest(struct wlandevice *wlandev,
> >  			qualmsg->noise.status =
> >  			    P80211ENUM_msgitem_status_data_ok;
> >
> > -			qualmsg->link.data = le16_to_cpu(hw->qual.cq_curr_bss);
> > -			qualmsg->level.data =
> > -				le16_to_cpu(hw->qual.asl_curr_bss);
> > -			qualmsg->noise.data = le16_to_cpu(hw->qual.anl_curr_fc);
> > +			qualmsg->link.data = hw->qual.cq_curr_bss;
> > +			qualmsg->level.data = hw->qual.asl_curr_bss;
> > +			qualmsg->noise.data = hw->qual.anl_curr_fc;
> >  			qualmsg->txrate.data = hw->txrate;
> >
> >  			break;
> > @@ -603,10 +602,10 @@ static int prism2sta_getcardinfo(struct wlandevice *wlandev)
> >  	}
> >
> >  	/* get all the nic id fields in host byte order */
> > -	hw->ident_nic.id = le16_to_cpu(hw->ident_nic.id);
> > -	hw->ident_nic.variant = le16_to_cpu(hw->ident_nic.variant);
> > -	hw->ident_nic.major = le16_to_cpu(hw->ident_nic.major);
> > -	hw->ident_nic.minor = le16_to_cpu(hw->ident_nic.minor);
> > +	hw->ident_nic.id = hw->ident_nic.id;
> > +	hw->ident_nic.variant = hw->ident_nic.variant;
> > +	hw->ident_nic.major = hw->ident_nic.major;
> > +	hw->ident_nic.minor = hw->ident_nic.minor;
> >
> >  	netdev_info(wlandev->netdev, "ident: nic h/w: id=0x%02x %d.%d.%d\n",
> >  		    hw->ident_nic.id, hw->ident_nic.major,
> > @@ -622,10 +621,10 @@ static int prism2sta_getcardinfo(struct wlandevice *wlandev)
> >  	}
> >
> >  	/* get all the private fw id fields in host byte order */
> > -	hw->ident_pri_fw.id = le16_to_cpu(hw->ident_pri_fw.id);
> > -	hw->ident_pri_fw.variant = le16_to_cpu(hw->ident_pri_fw.variant);
> > -	hw->ident_pri_fw.major = le16_to_cpu(hw->ident_pri_fw.major);
> > -	hw->ident_pri_fw.minor = le16_to_cpu(hw->ident_pri_fw.minor);
> > +	hw->ident_pri_fw.id = hw->ident_pri_fw.id;
> > +	hw->ident_pri_fw.variant = hw->ident_pri_fw.variant;
> > +	hw->ident_pri_fw.major = hw->ident_pri_fw.major;
> > +	hw->ident_pri_fw.minor = hw->ident_pri_fw.minor;
> >
> >  	netdev_info(wlandev->netdev, "ident: pri f/w: id=0x%02x %d.%d.%d\n",
> >  		    hw->ident_pri_fw.id, hw->ident_pri_fw.major,
> > @@ -648,10 +647,10 @@ static int prism2sta_getcardinfo(struct wlandevice *wlandev)
> >  	}
> >
> >  	/* get all the station fw id fields in host byte order */
> > -	hw->ident_sta_fw.id = le16_to_cpu(hw->ident_sta_fw.id);
> > -	hw->ident_sta_fw.variant = le16_to_cpu(hw->ident_sta_fw.variant);
> > -	hw->ident_sta_fw.major = le16_to_cpu(hw->ident_sta_fw.major);
> > -	hw->ident_sta_fw.minor = le16_to_cpu(hw->ident_sta_fw.minor);
> > +	hw->ident_sta_fw.id = hw->ident_sta_fw.id;
> > +	hw->ident_sta_fw.variant = hw->ident_sta_fw.variant;
> > +	hw->ident_sta_fw.major = hw->ident_sta_fw.major;
> > +	hw->ident_sta_fw.minor = hw->ident_sta_fw.minor;
> >
> >  	/* strip out the 'special' variant bits */
> >  	hw->mm_mods = hw->ident_sta_fw.variant & GENMASK(15, 14);
> > @@ -683,11 +682,11 @@ static int prism2sta_getcardinfo(struct wlandevice *wlandev)
> >  	/* get all the Compatibility range, modem interface supplier
> >  	 * fields in byte order
> >  	 */
> > -	hw->cap_sup_mfi.role = le16_to_cpu(hw->cap_sup_mfi.role);
> > -	hw->cap_sup_mfi.id = le16_to_cpu(hw->cap_sup_mfi.id);
> > -	hw->cap_sup_mfi.variant = le16_to_cpu(hw->cap_sup_mfi.variant);
> > -	hw->cap_sup_mfi.bottom = le16_to_cpu(hw->cap_sup_mfi.bottom);
> > -	hw->cap_sup_mfi.top = le16_to_cpu(hw->cap_sup_mfi.top);
> > +	hw->cap_sup_mfi.role = hw->cap_sup_mfi.role;
> > +	hw->cap_sup_mfi.id = hw->cap_sup_mfi.id;
> > +	hw->cap_sup_mfi.variant = hw->cap_sup_mfi.variant;
> > +	hw->cap_sup_mfi.bottom = hw->cap_sup_mfi.bottom;
> > +	hw->cap_sup_mfi.top = hw->cap_sup_mfi.top;
> >
> >  	netdev_info(wlandev->netdev,
> >  		    "MFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
> > @@ -707,11 +706,11 @@ static int prism2sta_getcardinfo(struct wlandevice *wlandev)
> >  	/* get all the Compatibility range, controller interface supplier
> >  	 * fields in byte order
> >  	 */
> > -	hw->cap_sup_cfi.role = le16_to_cpu(hw->cap_sup_cfi.role);
> > -	hw->cap_sup_cfi.id = le16_to_cpu(hw->cap_sup_cfi.id);
> > -	hw->cap_sup_cfi.variant = le16_to_cpu(hw->cap_sup_cfi.variant);
> > -	hw->cap_sup_cfi.bottom = le16_to_cpu(hw->cap_sup_cfi.bottom);
> > -	hw->cap_sup_cfi.top = le16_to_cpu(hw->cap_sup_cfi.top);
> > +	hw->cap_sup_cfi.role = hw->cap_sup_cfi.role;
> > +	hw->cap_sup_cfi.id = hw->cap_sup_cfi.id;
> > +	hw->cap_sup_cfi.variant = hw->cap_sup_cfi.variant;
> > +	hw->cap_sup_cfi.bottom = hw->cap_sup_cfi.bottom;
> > +	hw->cap_sup_cfi.top = hw->cap_sup_cfi.top;
> >
> >  	netdev_info(wlandev->netdev,
> >  		    "CFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
> > --
> > 2.7.4
> >
> > --
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> > To view this discussion on the web visit https://groups.google.com/d/msgid/outreachy-kernel/1488448146-29452-1-git-send-email-singhalsimran0%40gmail.com.
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> >
>
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