linux-kernel - [PATCH] soundwire: bus: set initial value to port

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Date:   Fri, 30 Aug 2019 02:11:35 +0800
From:   Bard liao <yung-chuan.liao@...ux.intel.com>
To:     alsa-devel@...a-project.org
Cc:     tiwai@...e.de, broonie@...nel.org,
        pierre-louis.bossart@...ux.intel.com, bard.liao@...el.com,
        vkoul@...nel.org, gregkh@...uxfoundation.org,
        Blauciak@...a-project.org, linux-kernel@...r.kernel.org
Subject: [PATCH] soundwire: bus: set initial value to port_status

From: Bard Liao <yung-chuan.liao@...ux.intel.com>

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@...ux.intel.com>
---
 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;
-- 
2.17.1