In sx8654_probe function, if call to device_get_match_data()
return NULL, it dereferences driver_data from 'id'.
To avoid NULL pointer dereference, add check to make sure
'id' is not NULL.
Signed-off-by: Saiyam Doshi <saiyamdoshi.in@xxxxxxxxx>
---
drivers/input/touchscreen/sx8654.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/input/touchscreen/sx8654.c b/drivers/input/touchscreen/sx8654.c
index de85e57b2486..7121a3d41555 100644
--- a/drivers/input/touchscreen/sx8654.c
+++ b/drivers/input/touchscreen/sx8654.c
@@ -333,7 +333,7 @@ static int sx8654_probe(struct i2c_client *client,
dev_dbg(&client->dev, "got GPIO reset pin\n");
sx8654->data = device_get_match_data(&client->dev);
- if (!sx8654->data)
+ if (!sx8654->data && id)
sx8654->data = (const struct sx865x_data *)id->driver_data;
if (!sx8654->data) {
dev_err(&client->dev, "invalid or missing device data\n");
--
2.20.1
