iwlwifi: mvm: document switch case fall-through in iwl_mvm_send_sta_key

Add a comment indicating that the WLAN_CIPHER_SUITE_WEP104 case falls
through to the WLAN_CIPHER_SUITE_WEP40 case in iwl_mvm_send_sta_key.
This will document that the lack of a break is intentional.

Coverity: CID 1260023

Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c
index b93a177b4a09..8e413d3b9c32 100644
--- a/drivers/net/wireless/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/iwlwifi/mvm/sta.c
@@ -1196,6 +1196,7 @@ static int iwl_mvm_send_sta_key(struct iwl_mvm *mvm,
                 break;
         case WLAN_CIPHER_SUITE_WEP104:
                 key_flags |= cpu_to_le16(STA_KEY_FLG_WEP_13BYTES);
+                /* fall through */
         case WLAN_CIPHER_SUITE_WEP40:
                 key_flags |= cpu_to_le16(STA_KEY_FLG_WEP);
                 memcpy(cmd.key + 3, keyconf->key, keyconf->keylen);