Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.19 0354/1157] crypto: sun8i-ss - fix a NULL vs IS_ERR() check in sun8i_ss_hashkey | Date | Mon, 15 Aug 2022 19:55:10 +0200 |
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From: Peng Wu <wupeng58@huawei.com>
[ Upstream commit 7e8df1fc2d669d04c1f8a9e2d61d7afba1b43df4 ]
The crypto_alloc_shash() function never returns NULL. It returns error pointers.
Fixes: 801b7d572c0a ("crypto: sun8i-ss - add hmac(sha1)") Signed-off-by: Peng Wu <wupeng58@huawei.com> Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c index 845019bd9591..36a82b22953c 100644 --- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c +++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c @@ -30,8 +30,8 @@ static int sun8i_ss_hashkey(struct sun8i_ss_hash_tfm_ctx *tfmctx, const u8 *key, int ret = 0; xtfm = crypto_alloc_shash("sha1", 0, CRYPTO_ALG_NEED_FALLBACK); - if (!xtfm) - return -ENOMEM; + if (IS_ERR(xtfm)) + return PTR_ERR(xtfm); len = sizeof(*sdesc) + crypto_shash_descsize(xtfm); sdesc = kmalloc(len, GFP_KERNEL); -- 2.35.1
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