diff options
Diffstat (limited to 'net/mac80211/util.c')
| -rw-r--r-- | net/mac80211/util.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 6c52c597c187..8a6917cf63cf 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -918,6 +918,7 @@ ieee80211_parse_extension_element(u32 *crc, struct ieee80211_elems_parse_params *params) { const void *data = elem->data + 1; + bool calc_crc = false; u8 len; if (!elem->datalen) @@ -927,12 +928,9 @@ ieee80211_parse_extension_element(u32 *crc, switch (elem->data[0]) { case WLAN_EID_EXT_HE_MU_EDCA: - if (len >= sizeof(*elems->mu_edca_param_set)) { + calc_crc = true; + if (len >= sizeof(*elems->mu_edca_param_set)) elems->mu_edca_param_set = data; - if (crc) - *crc = crc32_be(*crc, (void *)elem, - elem->datalen + 2); - } break; case WLAN_EID_EXT_HE_CAPABILITY: if (ieee80211_he_capa_size_ok(data, len)) { @@ -941,13 +939,10 @@ ieee80211_parse_extension_element(u32 *crc, } break; case WLAN_EID_EXT_HE_OPERATION: + calc_crc = true; if (len >= sizeof(*elems->he_operation) && - len >= ieee80211_he_oper_size(data) - 1) { - if (crc) - *crc = crc32_be(*crc, (void *)elem, - elem->datalen + 2); + len >= ieee80211_he_oper_size(data) - 1) elems->he_operation = data; - } break; case WLAN_EID_EXT_UORA: if (len >= 1) @@ -981,16 +976,15 @@ ieee80211_parse_extension_element(u32 *crc, case WLAN_EID_EXT_EHT_OPERATION: if (ieee80211_eht_oper_size_ok(data, len)) elems->eht_operation = data; + calc_crc = true; break; case WLAN_EID_EXT_EHT_MULTI_LINK: + calc_crc = true; + if (ieee80211_mle_size_ok(data, len)) { const struct ieee80211_multi_link_elem *mle = (void *)data; - if (crc) - *crc = crc32_be(*crc, (void *)elem, - elem->datalen + 2); - switch (le16_get_bits(mle->control, IEEE80211_ML_CONTROL_TYPE)) { case IEEE80211_ML_CONTROL_TYPE_BASIC: @@ -1009,6 +1003,9 @@ ieee80211_parse_extension_element(u32 *crc, } break; } + + if (crc && calc_crc) + *crc = crc32_be(*crc, (void *)elem, elem->datalen + 2); } static u32 |