Re: [PATCH][next] block: blk-crypto-fallback: remove redundant initialization of variable err

From: Eric Biggers
Date: Tue May 26 2020 - 19:20:54 EST


On Tue, May 26, 2020 at 11:49:02PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> The variable err is being initialized with a value that is never read
> and it is being updated later with a new value. The initialization is
> redundant and can be removed.
>
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
> block/blk-crypto-fallback.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/block/blk-crypto-fallback.c b/block/blk-crypto-fallback.c
> index 74ab137ae3ba..6e49688a2d80 100644
> --- a/block/blk-crypto-fallback.c
> +++ b/block/blk-crypto-fallback.c
> @@ -529,7 +529,7 @@ static bool blk_crypto_fallback_inited;
> static int blk_crypto_fallback_init(void)
> {
> int i;
> - int err = -ENOMEM;
> + int err;
>
> if (blk_crypto_fallback_inited)
> return 0;

Looks good, you can add:

Reviewed-by: Eric Biggers <ebiggers@xxxxxxxxxx>

- Eric