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| author | Pauli Nieminen <ext-pauli.nieminen@nokia.com> | 2010-06-14 13:45:08 +0300 |
|---|---|---|
| committer | Alan Coopersmith <alan.coopersmith@oracle.com> | 2013-07-05 21:10:43 -0700 |
| commit | 4e4bbb85499cff052ce03e173b88f1083ba83f86 (patch) | |
| tree | a0635cf84bc438f2f6911df97b903bcf9ad10c61 | |
| parent | 9e4abe746786f0f632d1f82f99fe0c6b8ffedf9e (diff) | |
XRRUpdateConfiguration: Check if getting screen for root fails
XRRRootToScreen might return -1 if it fails to find screen for the root
window. Following code uses screen number unconditionally to index the
screen array.
Signed-off-by: Pauli Nieminen <ext-pauli.nieminen@nokia.com>
Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
| -rw-r--r-- | src/Xrandr.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/Xrandr.c b/src/Xrandr.c index b1e97ec..a9fba87 100644 --- a/src/Xrandr.c +++ b/src/Xrandr.c @@ -483,6 +483,9 @@ int XRRUpdateConfiguration(XEvent *event) scevent = (XRRScreenChangeNotifyEvent *) event; snum = XRRRootToScreen(dpy, ((XRRScreenChangeNotifyEvent *) event)->root); + if (snum < 0) + return 0; + if (scevent->rotation & (RR_Rotate_90 | RR_Rotate_270)) { dpy->screens[snum].width = scevent->height; dpy->screens[snum].height = scevent->width; |