On Mon, 19 May 2014, Arend van Spriel wrote: > From: Julia Lawall <Julia.Lawall@xxxxxxx> > > Delete unnecessary local variable whose value is always 0 and that hides > the fact that the result is always 0. > > A simplified version of the semantic patch that fixes this problem is as > follows: (http://coccinelle.lip6.fr/) > > // <smpl> > @r exists@ > local idexpression ret; > expression e; > position p; > @@ > > -ret = 0; > ... when != ret = e > return > - ret > + 0 > ; > // </smpl> > > Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx> > [arend@xxxxxxxxxxxx: make brcms_b_detach() a void function] > Signed-off-by: Arend van Spriel <arend@xxxxxxxxxxxx> > --- > Hi Julia, > > Thanks for running this over brcmsmac driver. I took it a > step further. So this replaces your patch with Message-ID: > <1400473875-22228-13-git-send-email-Julia.Lawall@xxxxxxx> OK, thanks. julia > Regards, > Arend > --- > drivers/net/wireless/brcm80211/brcmsmac/main.c | 13 ++++--------- > 1 file changed, 4 insertions(+), 9 deletions(-) > > diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c > index 9417cb5..af8ba64 100644 > --- a/drivers/net/wireless/brcm80211/brcmsmac/main.c > +++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c > @@ -4870,14 +4870,11 @@ static void brcms_c_detach_module(struct brcms_c_info *wlc) > /* > * low level detach > */ > -static int brcms_b_detach(struct brcms_c_info *wlc) > +static void brcms_b_detach(struct brcms_c_info *wlc) > { > uint i; > struct brcms_hw_band *band; > struct brcms_hardware *wlc_hw = wlc->hw; > - int callbacks; > - > - callbacks = 0; > > brcms_b_detach_dmapio(wlc_hw); > > @@ -4900,9 +4897,6 @@ static int brcms_b_detach(struct brcms_c_info *wlc) > ai_detach(wlc_hw->sih); > wlc_hw->sih = NULL; > } > - > - return callbacks; > - > } > > /* > @@ -4917,14 +4911,15 @@ static int brcms_b_detach(struct brcms_c_info *wlc) > */ > uint brcms_c_detach(struct brcms_c_info *wlc) > { > - uint callbacks = 0; > + uint callbacks; > > if (wlc == NULL) > return 0; > > - callbacks += brcms_b_detach(wlc); > + brcms_b_detach(wlc); > > /* delete software timers */ > + callbacks = 0; > if (!brcms_c_radio_monitor_stop(wlc)) > callbacks++; > > -- > 1.8.2.1 > > -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
