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KEYS: checking the input id parameters before finding asymmetric key

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For finding asymmetric key, the input id_0 and id_1 parameters can
not be NULL at the same time. This patch adds the BUG_ON checking
for id_0 and id_1.

Cc: David Howells <dhowells@redhat.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Chun-Yi Lee <jlee@suse.com>
Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
Chun-Yi Lee 2017-10-04 16:45:09 +08:00 committed by David Howells
parent 6a6d2a77ad
commit b3811d36a3
1 changed files with 2 additions and 0 deletions
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crypto/asymmetric_keys/asymmetric_type.c
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@ -57,6 +57,8 @@ struct key *find_asymmetric_key(struct key *keyring,
char *req, *p;
int len;
BUG_ON(!id_0 && !id_1);
if (id_0) {
lookup = id_0->data;
len = id_0->len;