RE: [PATCH 40/41] scsi: ufs: ufshcd: mark expected switch fall-throughs

From: Avri Altman
Date: Wed Nov 28 2018 - 01:15:46 EST


Already submitted by Tomas:
https://www.spinics.net/lists/linux-scsi/msg125659.html

Thanks,
Avri

> -----Original Message-----
> From: linux-scsi-owner@xxxxxxxxxxxxxxx <linux-scsi-owner@xxxxxxxxxxxxxxx>
> On Behalf Of Gustavo A. R. Silva
> Sent: Wednesday, November 28, 2018 6:34 AM
> To: Vinayak Holikatti <vinholikatti@xxxxxxxxx>
> Cc: James E.J. Bottomley <jejb@xxxxxxxxxxxxx>; Martin K. Petersen
> <martin.petersen@xxxxxxxxxx>; linux-scsi@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
> Subject: [PATCH 40/41] scsi: ufs: ufshcd: mark expected switch fall-throughs
>
> In preparation to enabling -Wimplicit-fallthrough, mark switch cases
> where we are expecting to fall through.
>
> Addresses-Coverity-ID: 1087954 ("Missing break in switch")
> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
> ---
> drivers/scsi/ufs/ufshcd.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
> index 003d489f1b4b..be207197b63f 100644
> --- a/drivers/scsi/ufs/ufshcd.c
> +++ b/drivers/scsi/ufs/ufshcd.c
> @@ -1551,6 +1551,7 @@ int ufshcd_hold(struct ufs_hba *hba, bool async)
> * currently running. Hence, fall through to cancel gating
> * work and to enable clocks.
> */
> + /* fall through */
> case CLKS_OFF:
> ufshcd_scsi_block_requests(hba);
> hba->clk_gating.state = REQ_CLKS_ON;
> @@ -1562,6 +1563,7 @@ int ufshcd_hold(struct ufs_hba *hba, bool async)
> * fall through to check if we should wait for this
> * work to be done or not.
> */
> + /* fall through */
> case REQ_CLKS_ON:
> if (async) {
> rc = -EAGAIN;
> @@ -4620,6 +4622,7 @@ ufshcd_scsi_cmd_status(struct ufshcd_lrb *lrbp,
> int scsi_status)
> switch (scsi_status) {
> case SAM_STAT_CHECK_CONDITION:
> ufshcd_copy_sense_data(lrbp);
> + /* fall through */
> case SAM_STAT_GOOD:
> result |= DID_OK << 16 |
> COMMAND_COMPLETE << 8 |
> --
> 2.17.1