[PATCH] libata: convert assert(xxx)'s in low-level drivers to WARN_ON(!xxx)'s

This patch converts all assert(xxx)'s in low-level drivers to
WARN_ON(!xxx)'s.  After this patch, there is no in-kernel user of the
libata assert() macro.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index 86bccb7..24a54a5 100644
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -714,7 +714,7 @@
 	ci = readl(port_mmio + PORT_CMD_ISSUE);
 	if (likely((ci & 0x1) == 0)) {
 		if (qc) {
-			assert(qc->err_mask == 0);
+			WARN_ON(qc->err_mask);
 			ata_qc_complete(qc);
 			qc = NULL;
 		}