[PATCH -next] crypto: asymmetric_keys - Fix error return code on failure

[Wei Yongjun]

From: Wei Yongjun <weiyongj...@huawei.com>

Fix to return error code -ENOMEM from the akcipher_request_alloc()
error handling case instead of 0.

Signed-off-by: Wei Yongjun <weiyongj...@huawei.com>
---
 crypto/asymmetric_keys/public_key.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/crypto/asymmetric_keys/public_key.c 
b/crypto/asymmetric_keys/public_key.c
index 3a23274..3131bba 100644
--- a/crypto/asymmetric_keys/public_key.c
+++ b/crypto/asymmetric_keys/public_key.c
@@ -184,8 +184,10 @@ static int software_key_eds_op(struct kernel_pkey_params 
*params,
                return PTR_ERR(tfm);
 
        req = akcipher_request_alloc(tfm, GFP_KERNEL);
-       if (!req)
+       if (!req) {
+               ret = -ENOMEM;
                goto error_free_tfm;
+       }
 
        if (pkey->key_is_private)
                ret = crypto_akcipher_set_priv_key(tfm,
@@ -268,8 +270,10 @@ int public_key_verify_signature(const struct public_key 
*pkey,
                return PTR_ERR(tfm);
 
        req = akcipher_request_alloc(tfm, GFP_KERNEL);
-       if (!req)
+       if (!req) {
+               ret = -ENOMEM;
                goto error_free_tfm;
+       }
 
        if (pkey->key_is_private)
                ret = crypto_akcipher_set_priv_key(tfm,