Re: [PATCH 12/41] scsi: bfa: bfa_ioc: Mark expected switch fall-throughs

From: Gustavo A. R. Silva
Date: Wed Dec 19 2018 - 10:39:38 EST


Hi,

Friendly ping:

Who can ack or review this patch, please?

Thanks
--
Gustavo

On 11/27/18 10:27 PM, Gustavo A. R. Silva wrote:
In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Notice that, in this particular case, I replaced "!!! fall through !!!"
comment with "fall through" annotations, which is what GCC is expecting
to find.

Addresses-Coverity-ID: 146155 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
---
drivers/scsi/bfa/bfa_ioc.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/bfa/bfa_ioc.c b/drivers/scsi/bfa/bfa_ioc.c
index 16d3aeb0e572..32b24e51cce6 100644
--- a/drivers/scsi/bfa/bfa_ioc.c
+++ b/drivers/scsi/bfa/bfa_ioc.c
@@ -978,9 +978,7 @@ bfa_iocpf_sm_enabling(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
case IOCPF_E_INITFAIL:
bfa_iocpf_timer_stop(ioc);
- /*
- * !!! fall through !!!
- */
+ /* fall through */
case IOCPF_E_TIMEOUT:
writel(1, ioc->ioc_regs.ioc_sem_reg);
@@ -1056,9 +1054,7 @@ bfa_iocpf_sm_disabling(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
case IOCPF_E_FAIL:
bfa_iocpf_timer_stop(ioc);
- /*
- * !!! fall through !!!
- */
+ /* fall through */
case IOCPF_E_TIMEOUT:
bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_FAIL);
@@ -6007,6 +6003,7 @@ bfa_dconf_sm_final_sync(struct bfa_dconf_mod_s *dconf,
case BFA_DCONF_SM_IOCDISABLE:
case BFA_DCONF_SM_FLASH_COMP:
bfa_timer_stop(&dconf->timer);
+ /* fall through */
case BFA_DCONF_SM_TIMEOUT:
bfa_sm_set_state(dconf, bfa_dconf_sm_uninit);
bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE);