Messages in this thread Patch in this message | | | From | Haowen Bai <> | Subject | [PATCH] staging: rtl8712: Fix pointer dereferenced before checking | Date | Mon, 30 May 2022 16:05:32 +0800 |
| |
The padapter->recvpriv.signal_qual_data is dereferencing before null checking, so move it after checking.
Signed-off-by: Haowen Bai <baihaowen@meizu.com> --- drivers/staging/rtl8712/rtl8712_recv.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/rtl8712/rtl8712_recv.c b/drivers/staging/rtl8712/rtl8712_recv.c index 7f1fdd058551..8ed94b259dbe 100644 --- a/drivers/staging/rtl8712/rtl8712_recv.c +++ b/drivers/staging/rtl8712/rtl8712_recv.c @@ -863,10 +863,12 @@ static void process_link_qual(struct _adapter *padapter, { u32 last_evm = 0, tmpVal; struct rx_pkt_attrib *pattrib; - struct smooth_rssi_data *sqd = &padapter->recvpriv.signal_qual_data; + struct smooth_rssi_data *sqd; if (!prframe || !padapter) return; + + sqd = &padapter->recvpriv.signal_qual_data; pattrib = &prframe->u.hdr.attrib; if (pattrib->signal_qual != 0) { /* -- 2.7.4
| |