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keys: asymmetric: fix error return code in software_key_query() 

[ Upstream commit 6cbba1f911 ]

Fix to return negative error code -ENOMEM from kmalloc() error handling
case instead of 0, as done elsewhere in this function.

Fixes: f1774cb895 ("X.509: parse public key parameters from x509 for akcipher")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
Wei Yongjun 2020-07-15 23:28:38 +01:00 committed by Greg Kroah-Hartman
parent c5acd9395d
commit f62d7f91af
1 changed files with 1 additions and 0 deletions
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crypto/asymmetric_keys/public_key.c
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@ -119,6 +119,7 @@ static int software_key_query(const struct kernel_pkey_params *params,
if (IS_ERR(tfm))
return PTR_ERR(tfm);
ret = -ENOMEM;
key = kmalloc(pkey->keylen + sizeof(u32) * 2 + pkey->paramlen,
GFP_KERNEL);
if (!key)