Re: [PATCH][next] aio: fix missing break in switch statement

From: Darrick J. Wong
Date: Wed May 30 2018 - 14:11:33 EST


On Wed, May 30, 2018 at 07:04:15PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> The addition of the IOCB_CMD_POLL command removed the break
> statement for the IOCM_CMD_FDSYNC. From my understanding, this
> should not have been removed as the fall-through does not seem
> to make sense. Fix this by adding the break back again.
>
> Detected by CoverityScan, CID#1469469 ("Missing break in switch")
>
> Fixes: 2c14fa838cbe ("aio: implement IOCB_CMD_POLL")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Makes sense to me...
Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>

--D

> ---
> fs/aio.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/fs/aio.c b/fs/aio.c
> index 8274d09d44a2..e0b2f183fa1c 100644
> --- a/fs/aio.c
> +++ b/fs/aio.c
> @@ -1785,6 +1785,7 @@ static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb,
> break;
> case IOCB_CMD_FDSYNC:
> ret = aio_fsync(&req->fsync, iocb, true);
> + break;
> case IOCB_CMD_POLL:
> ret = aio_poll(req, iocb);
> break;
> --
> 2.17.0
>