diff options
| author | Johan Klokkhammer Helsing <johan.helsing@qt.io> | 2018-08-28 16:29:38 +0200 |
|---|---|---|
| committer | Johan Helsing <johan.helsing@qt.io> | 2018-08-29 12:55:22 +0000 |
| commit | 2af5dce3e7ea3e341720c4212e1d0a12ca68f41c (patch) | |
| tree | 9bd99396a96089e29efba439f75115db0c6d9a4c /src/compositor/wayland_wrapper/qwlregion.cpp | |
| parent | 6f68cada7aa652ef67a4cabf3515619088759d33 (diff) | |
Compositor: Fix nullptr dereferences in fromResource functions
If there was no resource for the given wl_resource*, don't try to dereference
it.
Change-Id: I3a27a5805699148bb26029e8b4179042c3c1117a
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>
Reviewed-by: Pier Luigi Fiorini <pierluigi.fiorini@liri.io>
Diffstat (limited to 'src/compositor/wayland_wrapper/qwlregion.cpp')
| -rw-r--r-- | src/compositor/wayland_wrapper/qwlregion.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/compositor/wayland_wrapper/qwlregion.cpp b/src/compositor/wayland_wrapper/qwlregion.cpp index 040538411..52c19e946 100644 --- a/src/compositor/wayland_wrapper/qwlregion.cpp +++ b/src/compositor/wayland_wrapper/qwlregion.cpp @@ -54,7 +54,9 @@ Region::~Region() Region *Region::fromResource(struct ::wl_resource *resource) { - return static_cast<Region *>(Resource::fromResource(resource)->region_object); + if (auto *r = Resource::fromResource(resource)) + return static_cast<Region *>(r->region_object); + return nullptr; } void Region::region_destroy_resource(Resource *) |