Use the IEEE80211_FCTL_VERS define to check the version number
of a received frame.
Covert IEEE80211_FCTL_VERS to le16 before using it as a mask for fc,
which is also an le16 value. The ieee80211_... helper functions use
the same approach.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220327180944.712545-2-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
struct rx_pkt_attrib *pattrib = &precv_frame->attrib;
u8 *ptr = precv_frame->rx_data;
__le16 fc = *(__le16 *)ptr;
- u8 ver = (unsigned char)(*ptr) & 0x3;
struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
if (pmlmeext->sitesurvey_res.state == SCAN_PROCESS) {
pmlmeext->channel_set[ch_set_idx].rx_count++;
}
- /* add version chk */
- if (ver != 0)
+ if ((fc & cpu_to_le16(IEEE80211_FCTL_VERS)) != 0)
return _FAIL;
pattrib->to_fr_ds = get_tofr_ds(ptr);