Re: [Outreachy kernel] [PATCH v5] staging: vt6656: add error code handling to unused variable

From: John B. Wyatt IV
Date: Mon Mar 30 2020 - 17:47:23 EST


On Mon, 2020-03-30 at 23:06 +0200, Stefano Brivio wrote:
> On Mon, 30 Mar 2020 11:45:17 -0700
> "John B. Wyatt IV" <jbwyatt4@xxxxxxxxx> wrote:
>
> > Add error code handling to unused 'ret' variable that was never
> > used.
> > Return an error code from functions called within
> > vnt_radio_power_on.
> >
> > Issue reported by coccinelle (coccicheck).
> >
> > Suggested-by: Quentin Deslandes <quentin.deslandes@xxxxxxxxxxx>
> > Suggested-by: Stefano Brivio <sbrivio@xxxxxxxxxx>
> > Reviewed-by: Quentin Deslandes <quentin.deslandes@xxxxxxxxxxx>
> > Signed-off-by: John B. Wyatt IV <jbwyatt4@xxxxxxxxx>
> > ---
> > v5: Remove Suggested-by: Julia Lawall above seperator line.
> > Remove break; statement in switch block.
> > break; removal checked by both gcc compile and checkpatch.
> >
> > [...]
> >
> > @@ -734,14 +738,15 @@ int vnt_radio_power_on(struct vnt_private
> > *priv)
> > case RF_VT3226:
> > case RF_VT3226D0:
> > case RF_VT3342A0:
> > - vnt_mac_reg_bits_on(priv, MAC_REG_SOFTPWRCTL,
> > - (SOFTPWRCTL_SWPE2 |
> > SOFTPWRCTL_SWPE3));
> > + ret = vnt_mac_reg_bits_on(priv, MAC_REG_SOFTPWRCTL,
> > + (SOFTPWRCTL_SWPE2 |
> > + SOFTPWRCTL_SWPE3));
> > break;
> > }
> > + if (ret)
> > + return ret;
>
> Did you send the wrong version perhaps?
>

Yes. My apologies. Please see v6.