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Subject[PATCH 2.6.13] Unhandled error condition in aic7xxx
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This patch should handle the case when scsi_add_host() fails.

Signed-Off-By: Daniel Walker <dwalker@mvista.com>

Index: linux-2.6.13/drivers/scsi/aic7xxx/aic7xxx_osm.c
===================================================================
--- linux-2.6.13.orig/drivers/scsi/aic7xxx/aic7xxx_osm.c 2005-08-28 23:41:01.000000000 +0000
+++ linux-2.6.13/drivers/scsi/aic7xxx/aic7xxx_osm.c 2005-08-31 18:45:20.000000000 +0000
@@ -996,6 +996,7 @@ ahc_linux_register_host(struct ahc_softc
struct Scsi_Host *host;
char *new_name;
u_long s;
+ int error = 0;

template->name = ahc->description;
host = scsi_host_alloc(template, sizeof(struct ahc_softc *));
@@ -1029,8 +1030,16 @@ ahc_linux_register_host(struct ahc_softc

host->transportt = ahc_linux_transport_template;

- scsi_add_host(host, (ahc->dev_softc ? &ahc->dev_softc->dev : NULL)); /* XXX handle failure */
- scsi_scan_host(host);
+ error = scsi_add_host(host, (ahc->dev_softc ? &ahc->dev_softc->dev : NULL));
+ if (error) {
+ /*
+ * Discard host variable on error.
+ */
+ scsi_host_put(host);
+ return (error);
+ }
+ scsi_scan_host(host);
+
return (0);
}


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