There are no nested queue locks in mpd, thus replace the locked checks
in playerQueueLock(), playerQueueUnlock() with assertions.
---

 src/player.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/player.c b/src/player.c
index ba424d1..6a2c3a0 100644
--- a/src/player.c
+++ b/src/player.c
@@ -190,14 +190,17 @@ void setQueueState(enum player_queue_state queueState)
 
 void playerQueueLock(void)
 {
-       if (pc.queueLockState == PLAYER_QUEUE_UNLOCKED)
-               player_command(PLAYER_COMMAND_LOCK_QUEUE);
+       assert(pc.queueLockState == PLAYER_QUEUE_UNLOCKED);
+       player_command(PLAYER_COMMAND_LOCK_QUEUE);
+       assert(pc.queueLockState == PLAYER_QUEUE_LOCKED);
 }
 
 void playerQueueUnlock(void)
 {
        if (pc.queueLockState == PLAYER_QUEUE_LOCKED)
                player_command(PLAYER_COMMAND_UNLOCK_QUEUE);
+
+       assert(pc.queueLockState == PLAYER_QUEUE_UNLOCKED);
 }
 
 int playerSeek(int fd, Song * song, float seek_time)


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