From: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx> commit f1fac63af678b2fc1044ca71fedf1f2ae8bf7c3b upstream. port_status[port_num] are assigned for each port_num in some if conditions. So some of the port_status may not be initialized. Signed-off-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20190829181135.16049-1-yung-chuan.liao@xxxxxxxxxxxxxxx Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/soundwire/bus.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/soundwire/bus.c +++ b/drivers/soundwire/bus.c @@ -803,7 +803,7 @@ static int sdw_handle_port_interrupt(str static int sdw_handle_slave_alerts(struct sdw_slave *slave) { struct sdw_slave_intr_status slave_intr; - u8 clear = 0, bit, port_status[15]; + u8 clear = 0, bit, port_status[15] = {0}; int port_num, stat, ret, count = 0; unsigned long port; bool slave_notify = false;
