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Don't try to acquire lock if we do not have a source anymore.

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This commit is contained in:
Uwe L. Korn
2013-06-26 19:36:14 +02:00
parent 968ac83906
commit 91d0a676ec
1 changed files with 7 additions and 1 deletions
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8
src/libtomahawk/network/ControlConnection.cpp
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@@ -159,9 +159,15 @@ ControlConnection::registerSource()
{ {
Q_D( ControlConnection ); Q_D( ControlConnection );
QReadLocker sourceLocker( &d->sourceLock ); QReadLocker sourceLocker( &d->sourceLock );
if ( d->source.isNull() )
{
// Not connected to a source anymore, nothing to do.
return;
}
QSharedPointer<QMutexLocker> locker = d->source->acquireLock(); QSharedPointer<QMutexLocker> locker = d->source->acquireLock();
// Only continue if we are still the ControlConnection associated with this source. // Only continue if we are still the ControlConnection associated with this source.
if ( !d->source.isNull() && d->source->controlConnection() == this ) if ( d->source->controlConnection() == this )
{ {
qDebug() << Q_FUNC_INFO << d->source->id(); qDebug() << Q_FUNC_INFO << d->source->id();
Source* source = (Source*) sender(); Source* source = (Source*) sender();