[patch v2] virtio_console: silence a static checker warning

Dan Carpenter
2015-05-08T09:16:25Z

My static checker complains that this sprintf() can overflow but really
it can't. Just silence the warning by using snprintf().

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
v2: the overflow is not possible so just leave the buffer size alone and
silence the warning with snprintf().

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 50754d20..8283989 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -1492,8 +1492,8 @@ static int add_port(struct ports_device *portdev, u32 id)
* Finally, create the debugfs file that we can use to
* inspect a port's state at any time
*/
- sprintf(debugfs_name, "vport%up%u",
- port->portdev->vdev->index, id);
+ snprintf(debugfs_name, sizeof(debugfs_name), "vport%up%u",
+ port->portdev->vdev->index, id);
port->debugfs_file = debugfs_create_file(debugfs_name, 0444,
pdrvdata.debugfs_dir,
port,
--
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