On 10/3/18 5:44 PM, [email protected] wrote:
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> 
> *From:*Gustavo A. R. Silva <[email protected]>
> *Sent:* Wednesday, October 3, 2018 9:55 AM
> *To:* Don Brace; James E.J. Bottomley; Martin K. Petersen; Adaptec OEM Raid 
> Solutions; Willem Riede; Kai Mäkisara
> *Cc:* [email protected]; [email protected]; 
> [email protected]; [email protected]; Gustavo A. R. 
> Silva
> *Subject:* [PATCH] scsi: mark expected switch fall-throughs
> 
>  
> 
> In preparation to enabling -Wimplicit-fallthrough, mark switch cases
> where we are expecting to fall through.
> 
> Signed-off-by: Gustavo A. R. Silva <[email protected]>
> ---
>  drivers/scsi/hpsa.c | 5 +++++
>  drivers/scsi/ips.c  | 1 +
>  drivers/scsi/osst.c | 6 ++++++
>  drivers/scsi/ppa.c  | 1 +
>  drivers/scsi/st.c   | 4 ++++
>  5 files changed, 17 insertions(+)
> 
> diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
> index f903983..fb6a356 100644
> --- a/drivers/scsi/hpsa.c
> +++ b/drivers/scsi/hpsa.c
> @@ -4662,6 +4662,7 @@ static int fixup_ioaccel_cdb(u8 *cdb, int *cdb_len)
>         case WRITE_6:
>         case WRITE_12:
>                 is_write = 1;
> +               /* fall through */
>         case READ_6:
>         case READ_12:
>                 if (*cdb_len == 6) {
> @@ -5092,6 +5093,7 @@ static int hpsa_scsi_ioaccel_raid_map(struct ctlr_info 
> *h,
>         switch (cmd->cmnd[0]) {
>         case WRITE_6:
>                 is_write = 1;
> +               /* fall through */
>         case READ_6:
>                 first_block = (((cmd->cmnd[1] & 0x1F) << 16) |
>                                 (cmd->cmnd[2] << 8) |
> @@ -5102,6 +5104,7 @@ static int hpsa_scsi_ioaccel_raid_map(struct ctlr_info 
> *h,
>                 break;
>         case WRITE_10:
>                 is_write = 1;
> +               /* fall through */
>         case READ_10:
>                 first_block =
>                         (((u64) cmd->cmnd[2]) << 24) |
> @@ -5114,6 +5117,7 @@ static int hpsa_scsi_ioaccel_raid_map(struct ctlr_info 
> *h,
>                 break;
>         case WRITE_12:
>                 is_write = 1;
> +               /* fall through */
>         case READ_12:
>                 first_block =
>                         (((u64) cmd->cmnd[2]) << 24) |
> @@ -5128,6 +5132,7 @@ static int hpsa_scsi_ioaccel_raid_map(struct ctlr_info 
> *h,
>                 break;
>         case WRITE_16:
>                 is_write = 1;
> +               /* fall through */
>         case READ_16:
>                 first_block =
>                         (((u64) cmd->cmnd[2]) << 56) |
> 
>  
> 
> Tested-by: Don Brace <[email protected]>
> Acked-by: Don Brace <[email protected]>
> 

Thanks for this, but please don't remove the Coverity tags.

--
Gustavo

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