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res_musiconhold.c: Ensure we're always locked around music state access.

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This commit is contained in:
Sean Bright
2025-04-08 15:54:37 -04:00
parent a49d96505b
commit 65001d26a6
1 changed files with 4 additions and 1 deletions
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5
res/res_musiconhold.c
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@@ -1544,8 +1544,10 @@ static int _moh_unregister(struct mohclass *moh, const char *file, int line, con
*/ */
static void local_ast_moh_cleanup(struct ast_channel *chan) static void local_ast_moh_cleanup(struct ast_channel *chan)
{ {
struct moh_files_state *state = ast_channel_music_state(chan); struct moh_files_state *state;
ast_channel_lock(chan);
state = ast_channel_music_state(chan);
if (state) { if (state) {
ast_channel_music_state_set(chan, NULL); ast_channel_music_state_set(chan, NULL);
if (state->class) { if (state->class) {
@@ -1560,6 +1562,7 @@ static void local_ast_moh_cleanup(struct ast_channel *chan)
/* Only held a module reference if we had a music state */ /* Only held a module reference if we had a music state */
ast_module_unref(ast_module_info->self); ast_module_unref(ast_module_info->self);
} }
ast_channel_unlock(chan);
} }
/*! \brief Support routing for 'moh unregister class' CLI /*! \brief Support routing for 'moh unregister class' CLI