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Subject[PATCH 2/3] KEYS: Fix an error code in request_master_key()
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From: Dan Carpenter <dan.carpenter@oracle.com>

This function has two callers and neither are able to handle a NULL
return. Really, -EINVAL is the correct thing return here anyway. This
fixes some static checker warnings like:

security/keys/encrypted-keys/encrypted.c:709 encrypted_key_decrypt()
error: uninitialized symbol 'master_key'.

Fixes: 7e70cb497850 ("keys: add new key-type encrypted")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
---

security/keys/encrypted-keys/encrypted.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/security/keys/encrypted-keys/encrypted.c b/security/keys/encrypted-keys/encrypted.c
index 17a06105ccb6..d7a4969b2dd3 100644
--- a/security/keys/encrypted-keys/encrypted.c
+++ b/security/keys/encrypted-keys/encrypted.c
@@ -437,7 +437,7 @@ static struct skcipher_request *init_skcipher_req(const u8 *key,
static struct key *request_master_key(struct encrypted_key_payload *epayload,
const u8 **master_key, size_t *master_keylen)
{
- struct key *mkey = NULL;
+ struct key *mkey = ERR_PTR(-EINVAL);

if (!strncmp(epayload->master_desc, KEY_TRUSTED_PREFIX,
KEY_TRUSTED_PREFIX_LEN)) {
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