libiscsi: propogate errors from kfifo_init to iscsi_pool_init callers

Don't convert kfifo_init's error code to -ENOMEM when passing the
error to the iscsi_pool_init caller.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>

diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 6896283..cf86d59 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1984,6 +1984,7 @@ int
 iscsi_pool_init(struct iscsi_pool *q, int max, void ***items, int item_size)
 {
 	int i, num_arrays = 1;
+	int rc = -ENOMEM;
 
 	memset(q, 0, sizeof(*q));
 
@@ -1995,20 +1996,21 @@ iscsi_pool_init(struct iscsi_pool *q, int max, void ***items, int item_size)
 		num_arrays++;
 	q->pool = kzalloc(num_arrays * max * sizeof(void*), GFP_KERNEL);
 	if (q->pool == NULL)
-		return -ENOMEM;
+		return rc;
 
 	q->queue = kfifo_init((void*)q->pool, max * sizeof(void*),
 			      GFP_KERNEL, NULL);
 	if (IS_ERR(q->queue)) {
 		q->queue = NULL;
-		goto enomem;
+		rc = PTR_ERR(q->queue);		
+		goto fail;
 	}
 
 	for (i = 0; i < max; i++) {
 		q->pool[i] = kzalloc(item_size, GFP_KERNEL);
 		if (q->pool[i] == NULL) {
 			q->max = i;
-			goto enomem;
+			goto fail;
 		}
 		__kfifo_put(q->queue, (void*)&q->pool[i], sizeof(void*));
 	}
@@ -2020,9 +2022,9 @@ iscsi_pool_init(struct iscsi_pool *q, int max, void ***items, int item_size)
 
 	return 0;
 
-enomem:
+fail:
 	iscsi_pool_free(q);
-	return -ENOMEM;
+	return rc;
 }
 EXPORT_SYMBOL_GPL(iscsi_pool_init);