[PATCH] KEYS: asymmetric: return ENOMEM if akcipher_request_alloc() fails

[Eric Biggers <ebiggers@kernel.org>]

From: Eric Biggers <ebiggers@google.com>

No error code was being set on this error path.

Fixes: ad4b1eb5fb33 ("KEYS: asym_tpm: Implement encryption operation [ver #2]")
Fixes: c08fed737126 ("KEYS: Implement encrypt, decrypt and sign for software asymmetric key [ver #2]")
Signed-off-by: Eric Biggers <ebiggers@google.com>
---
 crypto/asymmetric_keys/asym_tpm.c   | 1 +
 crypto/asymmetric_keys/public_key.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/crypto/asymmetric_keys/asym_tpm.c b/crypto/asymmetric_keys/asym_tpm.c
index 5d4c270463f60..8eeb2d251a82a 100644
--- a/crypto/asymmetric_keys/asym_tpm.c
+++ b/crypto/asymmetric_keys/asym_tpm.c
@@ -479,6 +479,7 @@ static int tpm_key_encrypt(struct tpm_key *tk,
 	if (ret < 0)
 		goto error_free_tfm;
 
+	ret = -ENOMEM;
 	req = akcipher_request_alloc(tfm, GFP_KERNEL);
 	if (!req)
 		goto error_free_tfm;
diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c
index f5d85b47fcc6d..65fc08d9be087 100644
--- a/crypto/asymmetric_keys/public_key.c
+++ b/crypto/asymmetric_keys/public_key.c
@@ -169,6 +169,7 @@ static int software_key_eds_op(struct kernel_pkey_params *params,
 	if (IS_ERR(tfm))
 		return PTR_ERR(tfm);
 
+	ret = -ENOMEM;
 	req = akcipher_request_alloc(tfm, GFP_KERNEL);
 	if (!req)
 		goto error_free_tfm;
-- 
2.19.1