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core: fix regression in sig context ownership test

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This patch fixes a problem similar to issue #2065 but for the freeing of
signal contexts.
This commit is contained in:
Norman Feske 2016-08-19 19:03:28 +02:00 committed by Christian Helmuth
parent 8d1cf08b1a
commit a845bdafeb
1 changed files with 8 additions and 4 deletions
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10
repos/base/src/core/include/signal_broker.h
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@ -75,17 +75,21 @@ class Genode::Signal_broker
void free_context(Signal_context_capability context_cap)
{
Signal_context_component *context;
Signal_context_component *context = nullptr;
_context_ep.apply(context_cap, [&] (Signal_context_component *c) {
context = c;
if (!context) {
if (!c) {
warning("specified signal-context capability has wrong type");
return;
}
context = c;
_context_ep.dissolve(context);
});
if (context)
destroy(&_contexts_slab, context);
}