[PATCH weston 02/10] evdev: prevent unterminated device name

[Peter Hutterer]

The kernel copies up to sizeof(devname) bytes but doesn't null-terminate the
string if the device name exceeds the size of the supplied buffer.
---
 src/evdev.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/evdev.c b/src/evdev.c
index 5ad4d6b..d7e416a 100644
--- a/src/evdev.c
+++ b/src/evdev.c
@@ -572,6 +572,7 @@ evdev_device_create(struct weston_seat *seat, const char *path, int device_fd)
 	device->fd = device_fd;
 
 	ioctl(device->fd, EVIOCGNAME(sizeof(devname)), devname);
+	devname[sizeof(devname) - 1] = '\0';
 	device->devname = strdup(devname);
 
 	if (!evdev_handle_device(device)) {
-- 
1.8.2.1