On Fri, May 10, 2019 at 01:57:54PM +0300, Dan Carpenter wrote: > On Fri, May 10, 2019 at 08:09:00AM +0530, Hariprasad Kelam wrote: > > diff --git a/drivers/staging/wlan-ng/cfg80211.c b/drivers/staging/wlan-ng/cfg80211.c > > index 8a862f7..5dad5ac 100644 > > --- a/drivers/staging/wlan-ng/cfg80211.c > > +++ b/drivers/staging/wlan-ng/cfg80211.c > > @@ -231,17 +231,12 @@ static int prism2_set_default_key(struct wiphy *wiphy, struct net_device *dev, > > { > > struct wlandevice *wlandev = dev->ml_priv; > > > > - int err = 0; > > - int result = 0; > > - > > - result = prism2_domibset_uint32(wlandev, > > - DIDMIB_DOT11SMT_PRIVACYTABLE_WEPDEFAULTKEYID, > > - key_index); > > - > > - if (result) > > - err = -EFAULT; > > - > > - return err; > > + if (prism2_domibset_uint32(wlandev, > > + DIDMIB_DOT11SMT_PRIVACYTABLE_WEPDEFAULTKEYID, > > + key_index)) > > + return -EFAULT; > > + else > > + return 0; > > We should just preserve the error codes from prism2_domibset_uint32(). > > return prism2_domibset_uint32(dev->ml_priv, > DIDMIB_DOT11SMT_PRIVACYTABLE_WEPDEFAULTKEYID, > key_index); > prism2_domibset_uint32 function can return -ENODEV,-EPERM,-EBUSY if fail case. If we observe the pattern of calling this function,we can find "return -EFAULT on failure and 0 on success". Due to this we can not collect return status directly. > regards, > dan carpenter > _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel