This is a note to let you know that I've just added the patch titled KEYS: Fix an error code in request_master_key() to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: keys-fix-an-error-code-in-request_master_key.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 57cb17e764ba0aaa169d07796acce54ccfbc6cae Mon Sep 17 00:00:00 2001 From: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Date: Thu, 9 Feb 2017 17:17:52 +0000 Subject: KEYS: Fix an error code in request_master_key() From: Dan Carpenter <dan.carpenter@xxxxxxxxxx> commit 57cb17e764ba0aaa169d07796acce54ccfbc6cae upstream. 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@xxxxxxxxxx> Acked-by: Mimi Zohar <zohar@xxxxxxxxxxxxxxxxxx> Signed-off-by: James Morris <james.l.morris@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- security/keys/encrypted-keys/encrypted.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/security/keys/encrypted-keys/encrypted.c +++ b/security/keys/encrypted-keys/encrypted.c @@ -437,7 +437,7 @@ static struct skcipher_request *init_skc 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)) { Patches currently in stable-queue which might be from dan.carpenter@xxxxxxxxxx are queue-4.9/pinctrl-stm32-fix-bad-function-call.patch queue-4.9/keys-fix-an-error-code-in-request_master_key.patch