iterator->_next_bitmap = &radiotap_header->it_present;

[mrsaad381]

radiotap.c: In function ‘ieee80211_radiotap_iterator_init’:
radiotap.c:167:27: warning: taking address of packed member of ‘struct ieee80211_radiotap_header’ may result in an unaligned pointer value [-Waddress-of-packed-member]
167 | iterator->_next_bitmap = &radiotap_header->it_present;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

  this code is included in openwifi its give me above error
  radiotap.c: In function ‘ieee80211_radiotap_iterator_init’:

radiotap.c:167:27: warning: taking address of packed member of ‘struct ieee80211_radiotap_header’ may result in an unaligned pointer value [-Waddress-of-packed-member]
167 | iterator->_next_bitmap = &radiotap_header->it_present;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

[jmberg]

That kind of seems both correct and not - if the packet is aligned then the it_present will also aligned, but then we also don't need the packed attribute ...

Maybe remove that and see if it works that way?