If channel->resource is a NULL pointer, do not dereference it while composing a log statement.
If channel->resource is a NULL pointer, do not dereference it while composing a log statement.

unispeech/unimrcp,AaronZhangL/unimrcp-1,unispeech/unimrcp,AaronZhangL/unimrcp-1,AaronZhangL/unimrcp-1,unispeech/unimrcp