diff options
| author | monsta <[email protected]> | 2014-11-02 14:23:34 +0300 |
|---|---|---|
| committer | Stefano Karapetsas <[email protected]> | 2014-11-26 09:47:58 +0100 |
| commit | e2961502ad666b76e835612a5c9e8ad49f87e7d1 (patch) | |
| tree | 12b0e32c7d974a7dedb60ffa4a35361d32c0ff38 /src/compositor/compositor-xrender.c | |
| parent | 10e21cca0552688d8abf3e69de265370558e40d1 (diff) | |
| download | marco-e2961502ad666b76e835612a5c9e8ad49f87e7d1.tar.bz2 marco-e2961502ad666b76e835612a5c9e8ad49f87e7d1.tar.xz | |
compositor: fix possible dereference of NULL pointer
Closes https://github.com/mate-desktop/marco/pull/145
Diffstat (limited to 'src/compositor/compositor-xrender.c')
| -rw-r--r-- | src/compositor/compositor-xrender.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/src/compositor/compositor-xrender.c b/src/compositor/compositor-xrender.c index 31b0be2c..7d31f303 100644 --- a/src/compositor/compositor-xrender.c +++ b/src/compositor/compositor-xrender.c @@ -1478,13 +1478,18 @@ add_damage (MetaScreen *screen, /* dump_xserver_region ("add_damage", display, damage); */ - if (info != NULL && info->all_damage) + if (info != NULL) { - XFixesUnionRegion (xdisplay, info->all_damage, info->all_damage, damage); - XFixesDestroyRegion (xdisplay, damage); + if (info->all_damage) + { + XFixesUnionRegion (xdisplay, info->all_damage, info->all_damage, damage); + XFixesDestroyRegion (xdisplay, damage); + } + else + { + info->all_damage = damage; + } } - else - info->all_damage = damage; #ifdef USE_IDLE_REPAINT add_repair (display); |