]> git.karo-electronics.de Git - mv-sheeva.git/blobdiff - drivers/firewire/sbp2.c
netxen: dont set skb->truesize
[mv-sheeva.git] / drivers / firewire / sbp2.c
index 9f76171717e50302dc4e895a4988cb15f7e7023f..bfae4b309791103e48b2bb704300d1cd84da9750 100644 (file)
@@ -450,7 +450,7 @@ static void sbp2_status_write(struct fw_card *card, struct fw_request *request,
 
        if (&orb->link != &lu->orb_list) {
                orb->callback(orb, &status);
-               kref_put(&orb->kref, free_orb);
+               kref_put(&orb->kref, free_orb); /* orb callback reference */
        } else {
                fw_error("status write for unknown orb\n");
        }
@@ -472,20 +472,28 @@ static void complete_transaction(struct fw_card *card, int rcode,
         * So this callback only sets the rcode if it hasn't already
         * been set and only does the cleanup if the transaction
         * failed and we didn't already get a status write.
+        *
+        * Here we treat RCODE_CANCELLED like RCODE_COMPLETE because some
+        * OXUF936QSE firmwares occasionally respond after Split_Timeout and
+        * complete the ORB just fine.  Note, we also get RCODE_CANCELLED
+        * from sbp2_cancel_orbs() if fw_cancel_transaction() == 0.
         */
        spin_lock_irqsave(&card->lock, flags);
 
        if (orb->rcode == -1)
                orb->rcode = rcode;
-       if (orb->rcode != RCODE_COMPLETE) {
+
+       if (orb->rcode != RCODE_COMPLETE && orb->rcode != RCODE_CANCELLED) {
                list_del(&orb->link);
                spin_unlock_irqrestore(&card->lock, flags);
+
                orb->callback(orb, NULL);
+               kref_put(&orb->kref, free_orb); /* orb callback reference */
        } else {
                spin_unlock_irqrestore(&card->lock, flags);
        }
 
-       kref_put(&orb->kref, free_orb);
+       kref_put(&orb->kref, free_orb); /* transaction callback reference */
 }
 
 static void sbp2_send_orb(struct sbp2_orb *orb, struct sbp2_logical_unit *lu,
@@ -501,9 +509,8 @@ static void sbp2_send_orb(struct sbp2_orb *orb, struct sbp2_logical_unit *lu,
        list_add_tail(&orb->link, &lu->orb_list);
        spin_unlock_irqrestore(&device->card->lock, flags);
 
-       /* Take a ref for the orb list and for the transaction callback. */
-       kref_get(&orb->kref);
-       kref_get(&orb->kref);
+       kref_get(&orb->kref); /* transaction callback reference */
+       kref_get(&orb->kref); /* orb callback reference */
 
        fw_send_request(device->card, &orb->t, TCODE_WRITE_BLOCK_REQUEST,
                        node_id, generation, device->max_speed, offset,
@@ -525,11 +532,11 @@ static int sbp2_cancel_orbs(struct sbp2_logical_unit *lu)
 
        list_for_each_entry_safe(orb, next, &list, link) {
                retval = 0;
-               if (fw_cancel_transaction(device->card, &orb->t) == 0)
-                       continue;
+               fw_cancel_transaction(device->card, &orb->t);
 
                orb->rcode = RCODE_CANCELLED;
                orb->callback(orb, NULL);
+               kref_put(&orb->kref, free_orb); /* orb callback reference */
        }
 
        return retval;