bfa: use ARRAY_SIZE instead of sizeof/sizeof[0]

Use macro definition
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Acked-by: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

drivers/scsi/bfa/bfa_fcs.c

@@ -81,7 +81,7 @@ bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad,
 	bfa->fcs = BFA_TRUE;
 	fcbuild_init();
 
-	for (i = 0; i < sizeof(fcs_modules) / sizeof(fcs_modules[0]); i++) {
+	for (i = 0; i < ARRAY_SIZE(fcs_modules); i++) {
 		mod = &fcs_modules[i];
 		if (mod->attach)
 			mod->attach(fcs);
@@ -97,7 +97,7 @@ bfa_fcs_init(struct bfa_fcs_s *fcs)
 	int	i;
 	struct bfa_fcs_mod_s  *mod;
 
-	for (i = 0; i < sizeof(fcs_modules) / sizeof(fcs_modules[0]); i++) {
+	for (i = 0; i < ARRAY_SIZE(fcs_modules); i++) {
 		mod = &fcs_modules[i];
 		if (mod->modinit)
 			mod->modinit(fcs);
@@ -184,7 +184,7 @@ bfa_fcs_exit(struct bfa_fcs_s *fcs)
 
 	bfa_wc_init(&fcs->wc, bfa_fcs_exit_comp, fcs);
 
-	nmods = sizeof(fcs_modules) / sizeof(fcs_modules[0]);
+	nmods = ARRAY_SIZE(fcs_modules);
 
 	for (i = 0; i < nmods; i++) {