SCSI: remove fake "address-of" expression

Fake "address-of" expressions that evaluate to NULL generally confuse
readers and can provoke compiler warnings.  This patch (as1411) removes
one such fake expression, using an "#ifdef" in its place.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/scsi/scsi_priv.h

@@ -148,8 +148,6 @@ static inline void scsi_netlink_exit(void) {}
 /* scsi_pm.c */
 #ifdef CONFIG_PM_OPS
 extern const struct dev_pm_ops scsi_bus_pm_ops;
-#else /* CONFIG_PM_OPS */
-#define scsi_bus_pm_ops		(*NULL)
 #endif
 #ifdef CONFIG_PM_RUNTIME
 extern void scsi_autopm_get_target(struct scsi_target *);

drivers/scsi/scsi_sysfs.c

@@ -381,7 +381,9 @@ struct bus_type scsi_bus_type = {
         .name		= "scsi",
         .match		= scsi_bus_match,
 	.uevent		= scsi_bus_uevent,
+#ifdef CONFIG_PM_OPS
 	.pm		= &scsi_bus_pm_ops,
+#endif
 };
 EXPORT_SYMBOL_GPL(scsi_bus_type);