diff options
Diffstat (limited to 'net/mac80211/aes_cmac.c')
| -rw-r--r-- | net/mac80211/aes_cmac.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/net/mac80211/aes_cmac.c b/net/mac80211/aes_cmac.c index b31f1021ad9c..48c04f89de20 100644 --- a/net/mac80211/aes_cmac.c +++ b/net/mac80211/aes_cmac.c @@ -2,6 +2,7 @@ /* * AES-128-CMAC with TLen 16 for IEEE 802.11w BIP * Copyright 2008, Jouni Malinen <j@w1.fi> + * Copyright (C) 2020 Intel Corporation */ #include <linux/kernel.h> @@ -73,8 +74,14 @@ struct crypto_shash *ieee80211_aes_cmac_key_setup(const u8 key[], struct crypto_shash *tfm; tfm = crypto_alloc_shash("cmac(aes)", 0, 0); - if (!IS_ERR(tfm)) - crypto_shash_setkey(tfm, key, key_len); + if (!IS_ERR(tfm)) { + int err = crypto_shash_setkey(tfm, key, key_len); + + if (err) { + crypto_free_shash(tfm); + return ERR_PTR(err); + } + } return tfm; } |