[PATCH] handle scsi_add_host failure for aic79xx and fix compiler warning

[Jesper Juhl]

Add scsi_add_host() failure handling for aic79xx
Also silence a compiler warning : 
 drivers/scsi/aic7xxx/aic79xx_osm.c: In function `ahd_linux_register_host':
 drivers/scsi/aic7xxx/aic79xx_osm.c:1099: warning: ignoring return value of `scsi_add_host', declared with attribute warn_unused_result


Signed-off-by: Jesper Juhl <jesper.juhl@xxxxxxxxx>
---

 drivers/scsi/aic7xxx/aic79xx_osm.c |   11 +++++++++--
 1 files changed, 9 insertions(+), 2 deletions(-)

--- linux-2.6.15-rc5-git3-orig/drivers/scsi/aic7xxx/aic79xx_osm.c	2005-12-04 18:48:12.000000000 +0100
+++ linux-2.6.15-rc5-git3/drivers/scsi/aic7xxx/aic79xx_osm.c	2005-12-14 19:14:41.000000000 +0100
@@ -1064,6 +1064,7 @@ ahd_linux_register_host(struct ahd_softc
 	struct	Scsi_Host *host;
 	char	*new_name;
 	u_long	s;
+	int	retval;
 
 	template->name = ahd->description;
 	host = scsi_host_alloc(template, sizeof(struct ahd_softc *));
@@ -1096,9 +1097,15 @@ ahd_linux_register_host(struct ahd_softc
 
 	host->transportt = ahd_linux_transport_template;
 
-	scsi_add_host(host, &ahd->dev_softc->dev); /* XXX handle failure */
+	retval = scsi_add_host(host, &ahd->dev_softc->dev);
+	if (retval) {
+		printk(KERN_WARNING "aic79xx: scsi_add_host failed\n");
+		scsi_host_put(host);
+		return retval;
+	}
+
 	scsi_scan_host(host);
-	return (0);
+	return 0;
 }
 
 uint64_t


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