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scsi: bfa: Avoid implicit enum conversion in bfad_im_post_vendor_event 

Clang warns when one enumerated type is implicitly converted to another.

drivers/scsi/bfa/bfa_fcs_lport.c:379:26: warning: implicit conversion
from enumeration type 'enum bfa_lport_aen_event' to different
enumeration type 'enum bfa_ioc_aen_event' [-Wenum-conversion]
                                  BFA_AEN_CAT_LPORT, event);
                                                     ^~~~~

The root cause of these warnings is the bfad_im_post_vendor_event
function, which expects a value from enum bfa_ioc_aen_event but there
are multiple instances of values from enums bfa_port_aen_event,
bfa_audit_aen_event, and bfa_lport_aen_event being used in this
function.

Given that this doesn't appear to be a problem since cat helps with
differentiating the events, just change evt's type to int so that no
conversion needs to happen and Clang won't warn. Update aen_type's type
in bfa_aen_entry_s as members that hold enumerated types should be int.

Link: https://github.com/ClangBuiltLinux/linux/issues/147
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Nathan Chancellor 2018-09-27 16:56:52 -07:00 committed by Martin K. Petersen
parent 362b5da3df
commit 761c830ec7
2 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/scsi/bfa/bfa_defs_svc.h
View File

@ -1453,7 +1453,7 @@ union bfa_aen_data_u {
struct bfa_aen_entry_s {
struct list_head qe;
enum bfa_aen_category aen_category;
u32 aen_type;
int aen_type;
union bfa_aen_data_u aen_data;
u64 aen_tv_sec;
u64 aen_tv_usec;

2
drivers/scsi/bfa/bfad_im.h
View File

@ -143,7 +143,7 @@ struct bfad_im_s {
static inline void bfad_im_post_vendor_event(struct bfa_aen_entry_s *entry,
struct bfad_s *drv, int cnt,
enum bfa_aen_category cat,
enum bfa_ioc_aen_event evt)
int evt)
{
struct timespec64 ts;