Re: [alsa-devel] [PATCH] soundwire: bus: set initial value to port_status

From: Pierre-Louis Bossart
Date: Tue Sep 03 2019 - 10:21:54 EST




On 8/29/19 1:11 PM, Bard liao wrote:
From: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>

port_status[port_num] are assigned for each port_num in some if
conditions. So some of the port_status may not be initialized.

Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>

Signed-off-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
---
drivers/soundwire/bus.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c
index f6a1e4b4813d..33f41b3e642e 100644
--- a/drivers/soundwire/bus.c
+++ b/drivers/soundwire/bus.c
@@ -835,7 +835,7 @@ static int sdw_handle_port_interrupt(struct sdw_slave *slave,
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;