diff options
| author | Avraham Stern | 2022-05-17 12:05:13 +0300 |
|---|---|---|
| committer | Johannes Berg | 2022-05-18 12:54:09 +0200 |
| commit | 55cf10488d7a9fa1b1b473a5e44a80666932e094 (patch) | |
| tree | ee64b57ab5b54588c4a694eb1f45df0d5c1e08e6 /drivers/net/wireless | |
| parent | 98c0de7b26a1872f000ffae5661d2709b1d01932 (diff) | |
iwlwifi: mei: clear the sap data header before sending
The SAP data header has some fields that are marked as reserved
but are actually in use by CSME. Clear those fields before sending
the data to avoid having random values in those fields.
Cc: stable@vger.kernel.org
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20220517120045.8dd3423cf683.I02976028eaa6aab395cb2e701fa7127212762eb7@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mei/main.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mei/main.c b/drivers/net/wireless/intel/iwlwifi/mei/main.c index b4f45234cfc8..3d2eb15a9662 100644 --- a/drivers/net/wireless/intel/iwlwifi/mei/main.c +++ b/drivers/net/wireless/intel/iwlwifi/mei/main.c @@ -493,6 +493,7 @@ void iwl_mei_add_data_to_ring(struct sk_buff *skb, bool cb_tx) if (cb_tx) { struct iwl_sap_cb_data *cb_hdr = skb_push(skb, sizeof(*cb_hdr)); + memset(cb_hdr, 0, sizeof(*cb_hdr)); cb_hdr->hdr.type = cpu_to_le16(SAP_MSG_CB_DATA_PACKET); cb_hdr->hdr.len = cpu_to_le16(skb->len - sizeof(cb_hdr->hdr)); cb_hdr->hdr.seq_num = cpu_to_le32(atomic_inc_return(&mei->sap_seq_no)); |