mac80211: Don't squash error codes in key setup functions

[deliverable/linux.git] / net / mac80211 / key.c

diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 1b9d87ed143a1a3b3e46e31f5649ba67f68321b2..d6dbc8ea4eadac1cc5653068b071e17d2990efc1 100644 (file)
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -234,13 +234,13 @@ struct ieee80211_key *ieee80211_key_alloc(enum ieee80211_key_alg alg,
                                          size_t seq_len, const u8 *seq)
 {
        struct ieee80211_key *key;
-       int i, j;
+       int i, j, err;
 
        BUG_ON(idx < 0 || idx >= NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS);
 
        key = kzalloc(sizeof(struct ieee80211_key) + key_len, GFP_KERNEL);
        if (!key)
-               return NULL;
+               return ERR_PTR(-ENOMEM);
 
        /*
         * Default to software encryption; we'll later upload the
@@ -296,9 +296,10 @@ struct ieee80211_key *ieee80211_key_alloc(enum ieee80211_key_alg alg,
                 * it does not need to be initialized for every packet.
                 */
                key->u.ccmp.tfm = ieee80211_aes_key_setup_encrypt(key_data);
-               if (!key->u.ccmp.tfm) {
+               if (IS_ERR(key->u.ccmp.tfm)) {
+                       err = PTR_ERR(key->u.ccmp.tfm);
                        kfree(key);
-                       return NULL;
+                       key = ERR_PTR(err);
                }
        }
 
@@ -309,9 +310,10 @@ struct ieee80211_key *ieee80211_key_alloc(enum ieee80211_key_alg alg,
                 */
                key->u.aes_cmac.tfm =
                        ieee80211_aes_cmac_key_setup(key_data);
-               if (!key->u.aes_cmac.tfm) {
+               if (IS_ERR(key->u.aes_cmac.tfm)) {
+                       err = PTR_ERR(key->u.aes_cmac.tfm);
                        kfree(key);
-                       return NULL;
+                       key = ERR_PTR(err);
                }
        }