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[PATCH] iwlwifi: document switch case fall-through in iwl_mvm_send_sta_key

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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@xxxxxxxxxxxxx>
---
This seems to work, so I'm guessing that the fall-through is
intentional...

 drivers/net/wireless/iwlwifi/mvm/sta.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c
index d86fe432e51f..c0fc4fc0161b 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);
-- 
2.1.0

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