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usb: cdns3: fix NULL pointer dereference on no platform data

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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: 7cea965775 ("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>
This commit is contained in:
Roger Quadros 2020-11-23 12:49:31 +02:00 • committed by Peter Chen
parent 429ad75f2b
commit 448373d9db
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GPG key ID: 4859298150D671BB
2 changed files with 2 additions and 2 deletions
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2
drivers/usb/cdns3/core.c
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@ -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);
/*