diff --git a/apps/app_directed_pickup.c b/apps/app_directed_pickup.c index 256443d23ef2c42361d03b531af0f86e6e80d075..6cf7ea79946c73e7f6f0eabac3fdc419f577a6d7 100644 --- a/apps/app_directed_pickup.c +++ b/apps/app_directed_pickup.c @@ -220,9 +220,15 @@ static int pickup_by_exten(struct ast_channel *chan, const char *exten, const ch static int find_by_mark(void *obj, void *arg, void *data, int flags) { struct ast_channel *target = obj;/*!< Potential pickup target */ + struct ast_channel *chan = arg; const char *mark = data; const char *tmp; + if (chan == target) { + /* The channel attempting to pickup a call cannot pickup itself. */ + return 0; + } + ast_channel_lock(target); tmp = pbx_builtin_getvar_helper(target, PICKUPMARK); if (tmp && !strcasecmp(tmp, mark) && ast_can_pickup(target)) { @@ -241,7 +247,7 @@ static int pickup_by_mark(struct ast_channel *chan, const char *mark) int res = -1; /* The found channel is already locked. */ - target = ast_channel_callback(find_by_mark, NULL, (char *) mark, 0); + target = ast_channel_callback(find_by_mark, chan, (char *) mark, 0); if (target) { res = ast_do_pickup(chan, target); ast_channel_unlock(target);