[SCSI] handle scsi_add_host failure for aic7xxx and fix compiler warning
Add scsi_add_host() failure handling for aic7xxx
Also silence a compiler warning :
drivers/scsi/aic7xxx/aic7xxx_osm.c: In function `ahc_linux_register_host':
drivers/scsi/aic7xxx/aic7xxx_osm.c:1100: warning: ignoring return value of `scsi_add_host', declared with attribute warn_unused_result
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c
index d866213..fd389e9 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c
@@ -1061,10 +1061,11 @@
int
ahc_linux_register_host(struct ahc_softc *ahc, struct scsi_host_template *template)
{
- char buf[80];
- struct Scsi_Host *host;
+ char buf[80];
+ struct Scsi_Host *host;
char *new_name;
- u_long s;
+ u_long s;
+ int retval;
template->name = ahc->description;
host = scsi_host_alloc(template, sizeof(struct ahc_softc *));
@@ -1097,9 +1098,16 @@
host->transportt = ahc_linux_transport_template;
- scsi_add_host(host, (ahc->dev_softc ? &ahc->dev_softc->dev : NULL)); /* XXX handle failure */
+ retval = scsi_add_host(host,
+ (ahc->dev_softc ? &ahc->dev_softc->dev : NULL));
+ if (retval) {
+ printk(KERN_WARNING "aic7xxx: scsi_add_host failed\n");
+ scsi_host_put(host);
+ return retval;
+ }
+
scsi_scan_host(host);
- return (0);
+ return 0;
}
/*