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KEYS: asymmetric: return ENOMEM if akcipher_request_alloc() fails 

commit bea3741445 upstream.

No error code was being set on this error path.

Cc: stable@vger.kernel.org
Fixes: ad4b1eb5fb ("KEYS: asym_tpm: Implement encryption operation [ver #2]")
Fixes: c08fed7371 ("KEYS: Implement encrypt, decrypt and sign for software asymmetric key [ver #2]")
Reviewed-by: James Morris <jamorris@linux.microsoft.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
Eric Biggers 2019-10-09 16:03:49 -07:00 committed by Greg Kroah-Hartman
parent da06508bcb
commit 36cd99cf68
2 changed files with 2 additions and 0 deletions
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1
crypto/asymmetric_keys/asym_tpm.c
View File

@ -486,6 +486,7 @@ 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;

1
crypto/asymmetric_keys/public_key.c
View File

@ -184,6 +184,7 @@ 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;