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path: root/drivers/char/virtio_console.c
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Diffstat (limited to 'drivers/char/virtio_console.c')
-rw-r--r--drivers/char/virtio_console.c37
1 files changed, 9 insertions, 28 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 6c1b676643a9..896a2ced1d27 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -1547,31 +1547,16 @@ static int init_vqs(struct ports_device *portdev)
1547 nr_queues = use_multiport(portdev) ? (nr_ports + 1) * 2 : 2; 1547 nr_queues = use_multiport(portdev) ? (nr_ports + 1) * 2 : 2;
1548 1548
1549 vqs = kmalloc(nr_queues * sizeof(struct virtqueue *), GFP_KERNEL); 1549 vqs = kmalloc(nr_queues * sizeof(struct virtqueue *), GFP_KERNEL);
1550 if (!vqs) {
1551 err = -ENOMEM;
1552 goto fail;
1553 }
1554 io_callbacks = kmalloc(nr_queues * sizeof(vq_callback_t *), GFP_KERNEL); 1550 io_callbacks = kmalloc(nr_queues * sizeof(vq_callback_t *), GFP_KERNEL);
1555 if (!io_callbacks) {
1556 err = -ENOMEM;
1557 goto free_vqs;
1558 }
1559 io_names = kmalloc(nr_queues * sizeof(char *), GFP_KERNEL); 1551 io_names = kmalloc(nr_queues * sizeof(char *), GFP_KERNEL);
1560 if (!io_names) {
1561 err = -ENOMEM;
1562 goto free_callbacks;
1563 }
1564 portdev->in_vqs = kmalloc(nr_ports * sizeof(struct virtqueue *), 1552 portdev->in_vqs = kmalloc(nr_ports * sizeof(struct virtqueue *),
1565 GFP_KERNEL); 1553 GFP_KERNEL);
1566 if (!portdev->in_vqs) {
1567 err = -ENOMEM;
1568 goto free_names;
1569 }
1570 portdev->out_vqs = kmalloc(nr_ports * sizeof(struct virtqueue *), 1554 portdev->out_vqs = kmalloc(nr_ports * sizeof(struct virtqueue *),
1571 GFP_KERNEL); 1555 GFP_KERNEL);
1572 if (!portdev->out_vqs) { 1556 if (!vqs || !io_callbacks || !io_names || !portdev->in_vqs ||
1557 !portdev->out_vqs) {
1573 err = -ENOMEM; 1558 err = -ENOMEM;
1574 goto free_invqs; 1559 goto free;
1575 } 1560 }
1576 1561
1577 /* 1562 /*
@@ -1605,7 +1590,7 @@ static int init_vqs(struct ports_device *portdev)
1605 io_callbacks, 1590 io_callbacks,
1606 (const char **)io_names); 1591 (const char **)io_names);
1607 if (err) 1592 if (err)
1608 goto free_outvqs; 1593 goto free;
1609 1594
1610 j = 0; 1595 j = 0;
1611 portdev->in_vqs[0] = vqs[0]; 1596 portdev->in_vqs[0] = vqs[0];
@@ -1621,23 +1606,19 @@ static int init_vqs(struct ports_device *portdev)
1621 portdev->out_vqs[i] = vqs[j + 1]; 1606 portdev->out_vqs[i] = vqs[j + 1];
1622 } 1607 }
1623 } 1608 }
1624 kfree(io_callbacks);
1625 kfree(io_names); 1609 kfree(io_names);
1610 kfree(io_callbacks);
1626 kfree(vqs); 1611 kfree(vqs);
1627 1612
1628 return 0; 1613 return 0;
1629 1614
1630free_names: 1615free:
1631 kfree(io_names);
1632free_callbacks:
1633 kfree(io_callbacks);
1634free_outvqs:
1635 kfree(portdev->out_vqs); 1616 kfree(portdev->out_vqs);
1636free_invqs:
1637 kfree(portdev->in_vqs); 1617 kfree(portdev->in_vqs);
1638free_vqs: 1618 kfree(io_names);
1619 kfree(io_callbacks);
1639 kfree(vqs); 1620 kfree(vqs);
1640fail: 1621
1641 return err; 1622 return err;
1642} 1623}
1643 1624