2020-10-05 14:48:45

by Tianjia Zhang

[permalink] [raw]
Subject: [PATCH] X.509: fix error return value on the failed path

When memory allocation fails, an appropriate return value
should be set.

Fixes: 215525639631 ("X.509: support OSCCA SM2-with-SM3 certificate verification")
Signed-off-by: Tianjia Zhang <[email protected]>
---
crypto/asymmetric_keys/public_key_sm2.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/crypto/asymmetric_keys/public_key_sm2.c b/crypto/asymmetric_keys/public_key_sm2.c
index 7325cf21dbb4..66b614e1eccd 100644
--- a/crypto/asymmetric_keys/public_key_sm2.c
+++ b/crypto/asymmetric_keys/public_key_sm2.c
@@ -36,8 +36,10 @@ int cert_sig_digest_update(const struct public_key_signature *sig,

desc_size = crypto_shash_descsize(tfm) + sizeof(*desc);
desc = kzalloc(desc_size, GFP_KERNEL);
- if (!desc)
+ if (!desc) {
+ ret = -ENOMEM;
goto error_free_tfm;
+ }

desc->tfm = tfm;

--
2.24.3 (Apple Git-128)


2020-10-08 05:44:42

by Herbert Xu

[permalink] [raw]
Subject: Re: [PATCH] X.509: fix error return value on the failed path

On Mon, Oct 05, 2020 at 10:46:28PM +0800, Tianjia Zhang wrote:
> When memory allocation fails, an appropriate return value
> should be set.
>
> Fixes: 215525639631 ("X.509: support OSCCA SM2-with-SM3 certificate verification")
> Signed-off-by: Tianjia Zhang <[email protected]>
> ---
> crypto/asymmetric_keys/public_key_sm2.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)

Patch applied. Thanks.
--
Email: Herbert Xu <[email protected]>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt