Remove NULL ptr check before kfree.

The check for NULL ptr is not necessary, kfree will check it.

Removing NULL ptr check.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>

drivers/scsi/lpfc/lpfc_debugfs.c

@@ -5700,10 +5700,8 @@ lpfc_debugfs_terminate(struct lpfc_vport *vport)
 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
 	struct lpfc_hba   *phba = vport->phba;
 
-	if (vport->disc_trc) {
 	kfree(vport->disc_trc);
 	vport->disc_trc = NULL;
-	}
 
 	debugfs_remove(vport->debug_disc_trc); /* discovery_trace */
 	vport->debug_disc_trc = NULL;
@@ -5770,10 +5768,8 @@ lpfc_debugfs_terminate(struct lpfc_vport *vport)
 		debugfs_remove(phba->debug_readRef); /* readRef */
 		phba->debug_readRef = NULL;
 
-		if (phba->slow_ring_trc) {
 		kfree(phba->slow_ring_trc);
 		phba->slow_ring_trc = NULL;
-		}
 
 		/* slow_ring_trace */
 		debugfs_remove(phba->debug_slow_ring_trc);