From 448373d9db1a7000072f65103af19e20503f0c0c Mon Sep 17 00:00:00 2001
From: Roger Quadros <rogerq@ti.com>
Date: Mon, 23 Nov 2020 12:49:31 +0200
Subject: usb: cdns3: fix NULL pointer dereference on no platform data
Some platforms (e.g. TI) will not have any platform data which will
lead to NULL pointer dereference if we don't check for NULL pdata.
Fixes: 7cea9657756b ("usb: cdns3: add quirk for enable runtime pm by default")
Reported-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Pawel Laszczak <pawell@cadence.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
---
drivers/usb/cdns3/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'drivers/usb/cdns3/core.c')
diff --git a/drivers/usb/cdns3/core.c b/drivers/usb/cdns3/core.c
index 54d841aa626f..0f08aebce86d 100644
--- a/drivers/usb/cdns3/core.c
+++ b/drivers/usb/cdns3/core.c
@@ -559,7 +559,7 @@ static int cdns3_probe(struct platform_device *pdev)
device_set_wakeup_capable(dev, true);
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
- if (!(cdns->pdata->quirks & CDNS3_DEFAULT_PM_RUNTIME_ALLOW))
+ if (!(cdns->pdata && (cdns->pdata->quirks & CDNS3_DEFAULT_PM_RUNTIME_ALLOW)))
pm_runtime_forbid(dev);
/*
--
cgit v1.2.3