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mac802154: llsec: fix return value check in llsec_key_alloc()

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In case of error, the functions crypto_alloc_aead() and crypto_alloc_blkcipher()
returns ERR_PTR() and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Wei Yongjun 2015-04-30 17:44:54 +02:00 committed by Marcel Holtmann
parent 2b4d413c38
commit 89eb6d0677
1 changed files with 2 additions and 2 deletions
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4
net/mac802154/llsec.c
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@ -134,7 +134,7 @@ llsec_key_alloc(const struct ieee802154_llsec_key *template)
for (i = 0; i < ARRAY_SIZE(key->tfm); i++) {
key->tfm[i] = crypto_alloc_aead("ccm(aes)", 0,
CRYPTO_ALG_ASYNC);
if (!key->tfm[i])
if (IS_ERR(key->tfm[i]))
goto err_tfm;
if (crypto_aead_setkey(key->tfm[i], template->key,
IEEE802154_LLSEC_KEY_SIZE))
@ -144,7 +144,7 @@ llsec_key_alloc(const struct ieee802154_llsec_key *template)
}
key->tfm0 = crypto_alloc_blkcipher("ctr(aes)", 0, CRYPTO_ALG_ASYNC);
if (!key->tfm0)
if (IS_ERR(key->tfm0))
goto err_tfm;
if (crypto_blkcipher_setkey(key->tfm0, template->key,