X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fscsi%2Fhosts.c;h=588107923499772229fdab7df9cc20bf27f86606;hb=987b0145d94eecf292d8b301228356f44611ab7c;hp=dfcb96f3e60ce2782a39fffc415010ef54c272d0;hpb=f7ed79d23a47594e7834d66a8f14449796d4f3e6;p=linux-2.6.git

diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index dfcb96f3e..588107923 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -294,9 +294,22 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
 	if (sht->unchecked_isa_dma && privsize)
 		gfp_mask |= __GFP_DMA;
 
-	shost = kzalloc(sizeof(struct Scsi_Host) + privsize, gfp_mask);
+        /* Check to see if this host has any error handling facilities */
+        if (!sht->eh_strategy_handler && !sht->eh_abort_handler &&
+	    !sht->eh_device_reset_handler && !sht->eh_bus_reset_handler &&
+            !sht->eh_host_reset_handler) {
+		printk(KERN_ERR "ERROR: SCSI host `%s' has no error handling\n"
+				"ERROR: This is not a safe way to run your "
+				        "SCSI host\n"
+				"ERROR: The error handling must be added to "
+				"this driver\n", sht->proc_name);
+		dump_stack();
+        }
+
+	shost = kmalloc(sizeof(struct Scsi_Host) + privsize, gfp_mask);
 	if (!shost)
 		return NULL;
+	memset(shost, 0, sizeof(struct Scsi_Host) + privsize);
 
 	spin_lock_init(&shost->default_lock);
 	scsi_assign_lock(shost, &shost->default_lock);