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virtio_console: silence a static checker warning 

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>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2015-05-08 12:16:25 +03:00 committed by Greg Kroah-Hartman
parent 45c554ece9
commit db1700685c
1 changed files with 2 additions and 2 deletions
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2
drivers/char/virtio_console.c
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@ -1492,7 +1492,7 @@ 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",
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,