Hi, On 9/29/21 1:06 PM, Longji Guo wrote: > kfree(NULL) is safe and the check 'if (pstat->passoc_req)' before kfree > is not necessary. > > Signed-off-by: Longji Guo <guolongji@xxxxxxxxxxxxx> > --- > Changes in v2: > - Drop unnecessary "pstat->passoc_req = NULL;" Thanks, patch looks good to me: Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx> Regards, Hans > --- > drivers/staging/rtl8723bs/core/rtw_mlme_ext.c | 8 ++------ > 1 file changed, 2 insertions(+), 6 deletions(-) > > diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c > index 375d2a742dd2..51390a30fa55 100644 > --- a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c > +++ b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c > @@ -1344,12 +1344,8 @@ unsigned int OnAssocReq(struct adapter *padapter, union recv_frame *precv_frame) > issue_asocrsp(padapter, status, pstat, WIFI_REASSOCRSP); > > spin_lock_bh(&pstat->lock); > - if (pstat->passoc_req) { > - kfree(pstat->passoc_req); > - pstat->passoc_req = NULL; > - pstat->assoc_req_len = 0; > - } > - > + kfree(pstat->passoc_req); > + pstat->assoc_req_len = 0; > pstat->passoc_req = rtw_zmalloc(pkt_len); > if (pstat->passoc_req) { > memcpy(pstat->passoc_req, pframe, pkt_len); >