linux-kernel - [PATCH] KEYS: Fix the wrong index when checking the existence of second id

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Message-Id: <20171004111822.11141-1-jlee@suse.com>
Date:   Wed,  4 Oct 2017 19:18:22 +0800
From:   "Lee, Chun-Yi" <joeyli.kernel@...il.com>
To:     David Howells <dhowells@...hat.com>
Cc:     keyrings@...r.kernel.org, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org, "Lee, Chun-Yi" <jlee@...e.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH] KEYS: Fix the wrong index when checking the existence of second id

Fix the wrong index number when checking the existence of second
id in function of finding asymmetric key. The id_1 is the second
id that the index in array must be 1 but not 0.

Fix: 9eb029893(KEYS: Generalise x509_request_asymmetric_key())

Cc: David Howells <dhowells@...hat.com>
Cc: Herbert Xu <herbert@...dor.apana.org.au>
Cc: "David S. Miller" <davem@...emloft.net>
Signed-off-by: "Lee, Chun-Yi" <jlee@...e.com>
---
 crypto/asymmetric_keys/asymmetric_type.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crypto/asymmetric_keys/asymmetric_type.c b/crypto/asymmetric_keys/asymmetric_type.c
index 3a3b028..39aecad 100644
--- a/crypto/asymmetric_keys/asymmetric_type.c
+++ b/crypto/asymmetric_keys/asymmetric_type.c
@@ -107,7 +107,7 @@ struct key *find_asymmetric_key(struct key *keyring,
 	if (id_0 && id_1) {
 		const struct asymmetric_key_ids *kids = asymmetric_key_ids(key);
 
-		if (!kids->id[0]) {
+		if (!kids->id[1]) {
 			pr_debug("First ID matches, but second is missing\n");
 			goto reject;
 		}
-- 
2.10.2