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| author | Amit Shah <amit.shah@redhat.com> | 2013-07-19 12:55:11 +0530 |
|---|---|---|
| committer | Amit Shah <amit.shah@redhat.com> | 2013-07-25 19:05:30 +0530 |
| commit | 83c058bc32c4e377a75235120885aec7dfd223c7 (patch) | |
| tree | d61c0d791c11df8503ea5bed57cddf47f893a767 | |
| parent | 757aac3a03423986825852680496f69db0f6c7de (diff) | |
| download | virtio-console-master.tar.gz | |
Remove the debugfs path before freeing port->name, to prevent a possible
use-after-free.
Reported-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
| -rw-r--r-- | drivers/char/virtio_console.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 4e380c1ff3109..e910bec97bbae 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1574,9 +1574,8 @@ static void unplug_port(struct port *port) device_destroy(pdrvdata.class, port->dev->devt); cdev_del(port->cdev); - kfree(port->name); - debugfs_remove(port->debugfs_file); + kfree(port->name); /* * Locks around here are not necessary - a port can't be |