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@@ -188,7 +188,7 @@ static int get_transport_options(struct arglist *def)
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if (strncmp(transport, TRANS_TAP, TRANS_TAP_LEN) == 0)
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return (vec_rx | VECTOR_BPF);
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if (strncmp(transport, TRANS_RAW, TRANS_RAW_LEN) == 0)
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- return (vec_rx | vec_tx);
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+ return (vec_rx | vec_tx | VECTOR_QDISC_BYPASS);
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return (vec_rx | vec_tx);
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}
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@@ -504,15 +504,19 @@ static struct vector_queue *create_queue(
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result = kmalloc(sizeof(struct vector_queue), GFP_KERNEL);
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if (result == NULL)
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- goto out_fail;
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+ return NULL;
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result->max_depth = max_size;
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result->dev = vp->dev;
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result->mmsg_vector = kmalloc(
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(sizeof(struct mmsghdr) * max_size), GFP_KERNEL);
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+ if (result->mmsg_vector == NULL)
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+ goto out_mmsg_fail;
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result->skbuff_vector = kmalloc(
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(sizeof(void *) * max_size), GFP_KERNEL);
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- if (result->mmsg_vector == NULL || result->skbuff_vector == NULL)
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- goto out_fail;
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+ if (result->skbuff_vector == NULL)
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+ goto out_skb_fail;
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+
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+ /* further failures can be handled safely by destroy_queue*/
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mmsg_vector = result->mmsg_vector;
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for (i = 0; i < max_size; i++) {
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@@ -563,6 +567,11 @@ static struct vector_queue *create_queue(
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result->head = 0;
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result->tail = 0;
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return result;
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+out_skb_fail:
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+ kfree(result->mmsg_vector);
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+out_mmsg_fail:
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+ kfree(result);
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+ return NULL;
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out_fail:
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destroy_queue(result);
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return NULL;
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@@ -1232,9 +1241,8 @@ static int vector_net_open(struct net_device *dev)
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if ((vp->options & VECTOR_QDISC_BYPASS) != 0) {
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if (!uml_raw_enable_qdisc_bypass(vp->fds->rx_fd))
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- vp->options = vp->options | VECTOR_BPF;
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+ vp->options |= VECTOR_BPF;
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}
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-
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if ((vp->options & VECTOR_BPF) != 0)
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vp->bpf = uml_vector_default_bpf(vp->fds->rx_fd, dev->dev_addr);
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