scsi: aic7xxx: Fix error code handling

ahc_linux_queue_recovery_cmd returns SUCCESS(0x2002) or FAIL(0x2003), but
the caller is checking error case using != 0.

Link: https://lore.kernel.org/r/20200816070242.978839-1-ztong0001@gmail.com
Signed-off-by: Tong Zhang <ztong0001@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/aic7xxx/aic7xxx_osm.c

@@ -730,7 +730,7 @@ ahc_linux_abort(struct scsi_cmnd *cmd)
 	int error;
 
 	error = ahc_linux_queue_recovery_cmd(cmd, SCB_ABORT);
-	if (error != 0)
+	if (error != SUCCESS)
 		printk("aic7xxx_abort returns 0x%x\n", error);
 	return (error);
 }
@@ -744,7 +744,7 @@ ahc_linux_dev_reset(struct scsi_cmnd *cmd)
 	int error;
 
 	error = ahc_linux_queue_recovery_cmd(cmd, SCB_DEVICE_RESET);
-	if (error != 0)
+	if (error != SUCCESS)
 		printk("aic7xxx_dev_reset returns 0x%x\n", error);
 	return (error);
 }