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Bug 785167: Protect against already-canceled vibrations. r=jlebar

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This commit is contained in:
Chris Jones 2012-08-23 17:32:00 -07:00
parent 419d532f00
commit 8cf9f30595
1 changed files with 1 additions and 1 deletions
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2
hal/Hal.cpp
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@ -159,7 +159,7 @@ CancelVibrate(const WindowIdentifier &id)
if (InSandbox()) {
hal_sandbox::CancelVibrate(id);
}
else if (*gLastIDToVibrate == id.AsArray()) {
else if (gLastIDToVibrate && *gLastIDToVibrate == id.AsArray()) {
// Don't forward our ID to hal_impl. It doesn't need it, and we
// don't want it to be tempted to read it. The empty identifier
// will assert if it's used.