scsi: elx: efct: Remove NULL check after calling container_of()

container_of() will never return NULL.

Link: https://lore.kernel.org/r/1652750737-22673-1-git-send-email-baihaowen@meizu.comSigned-off-by: Haowen Bai <baihaowen@meizu.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/elx/efct/efct_lio.c

@@ -370,9 +370,6 @@ static int efct_lio_get_cmd_state(struct se_cmd *cmd)
 		container_of(cmd, struct efct_scsi_tgt_io, cmd);
 	struct efct_io *io = container_of(ocp, struct efct_io, tgt_io);
 
-	if (!io)
-		return 0;
-
 	return io->tgt_io.state;
 }