Commit fbb72630 authored by Pan Bian's avatar Pan Bian Committed by Herbert Xu

crypto: asymmetric_keys - set error code on failure

In function public_key_verify_signature(), returns variable ret on
error paths. When the call to kmalloc() fails, the value of ret is 0,
and it is not set to an errno before returning. This patch fixes the
bug.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188891Signed-off-by: default avatarPan Bian <bianpan2016@163.com>
Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 04b46fbd
...@@ -121,6 +121,7 @@ int public_key_verify_signature(const struct public_key *pkey, ...@@ -121,6 +121,7 @@ int public_key_verify_signature(const struct public_key *pkey,
if (ret) if (ret)
goto error_free_req; goto error_free_req;
ret = -ENOMEM;
outlen = crypto_akcipher_maxsize(tfm); outlen = crypto_akcipher_maxsize(tfm);
output = kmalloc(outlen, GFP_KERNEL); output = kmalloc(outlen, GFP_KERNEL);
if (!output) if (!output)
......
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