output_thread: fix double lock

During the whole output thread, the audio_output object is locked, and it is only unlocked while waiting for the GCond and while running a plugin method. The error handler in ao_play_chunk() attempted to lock the object again, which was code from MPD 0.15.x which should have been removed a long time ago.

output_thread: fix double lock
5f069996 · Max Kellermann · 4c09aeb5 · 5f069996 · 5f069996
Commit 5f069996 authored Jan 07, 2011 by Max Kellermann
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NEWS NEWS +1 -0

output_thread.c src/output_thread.c +0 -3

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--- a/NEWS
+++ b/NEWS
@@ -9,6 +9,7 @@ ver 0.16.1 (2010/??/??)
  - solaris: add missing parameter to open_cloexec() cal
  - osx: fix up audio format first, then apply it to device
 * player_thread: fix assertion failure due to early seek
+* output_thread: fix double lock
 ver 0.16 (2010/12/11)

--- a/src/output_thread.c
+++ b/src/output_thread.c
@@ -463,12 +463,9 @@ ao_play_chunk(struct audio_output *ao, const struct music_chunk *chunk)
 			/* don't automatically reopen this device for
 			   10 seconds */
-			g_mutex_lock(ao->mutex);
 			assert(ao->fail_timer == NULL);
 			ao->fail_timer = g_timer_new();
-			g_mutex_unlock(ao->mutex);
 			return false;
 		}