ath9k: Fix set_key error codes

Return -EOPNOTSUPP if the algorithm is not supported and -ENOSPC if
there is no room in the key cache. This avoids KERN_ERR printk in
mac80211 for "errors" that are actually expected to happen in normal
operating conditions.

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index 5e9a3e19da40..fc4439f97506 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -817,7 +817,7 @@ static int ath_key_config(struct ath_softc *sc,
                 hk.kv_type = ATH9K_CIPHER_AES_CCM;
                 break;
         default:
-                return -EINVAL;
+                return -EOPNOTSUPP;
         }
 
         hk.kv_len = key->keylen;
@@ -851,7 +851,7 @@ static int ath_key_config(struct ath_softc *sc,
                 else
                         idx = ath_reserve_key_cache_slot(sc);
                 if (idx < 0)
-                        return -EIO; /* no free key cache entries */
+                        return -ENOSPC; /* no free key cache entries */
         }
 
         if (key->alg == ALG_TKIP)