Re: [PATCH 1/4] ecryptfs: remove unnessesary null check in ecryptfs_keyring_auth_tok_for_sig

From: YueHaibing
Date: Mon May 27 2019 - 09:26:11 EST


Pls ignore this, will fix patch title

On 2019/5/27 21:15, YueHaibing wrote:
> request_key and ecryptfs_get_encrypted_key never
> return a NULL pointer, so no need do a null check.
>
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
> ---
> fs/ecryptfs/keystore.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c
> index 95662fd46b1d..a1afb162b9d2 100644
> --- a/fs/ecryptfs/keystore.c
> +++ b/fs/ecryptfs/keystore.c
> @@ -1626,9 +1626,9 @@ int ecryptfs_keyring_auth_tok_for_sig(struct key **auth_tok_key,
> int rc = 0;
>
> (*auth_tok_key) = request_key(&key_type_user, sig, NULL);
> - if (!(*auth_tok_key) || IS_ERR(*auth_tok_key)) {
> + if (IS_ERR(*auth_tok_key)) {
> (*auth_tok_key) = ecryptfs_get_encrypted_key(sig);
> - if (!(*auth_tok_key) || IS_ERR(*auth_tok_key)) {
> + if (IS_ERR(*auth_tok_key)) {
> printk(KERN_ERR "Could not find key with description: [%s]\n",
> sig);
> rc = process_request_key_err(PTR_ERR(*auth_tok_key));
>