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authorRoger Quadros <rogerq@ti.com>2020-11-23 12:49:31 +0200
committerPeter Chen <peter.chen@nxp.com>2020-12-10 17:35:33 +0800
commit448373d9db1a7000072f65103af19e20503f0c0c (patch)
treed9425607d95850f22d056d262ab41b537f60502e /drivers/usb/cdns3/core.c
parent429ad75f2b13ac8a2c7af859f8f61b9188bca7ba (diff)
downloadlinux-448373d9db1a7000072f65103af19e20503f0c0c.tar.bz2
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>
Diffstat (limited to 'drivers/usb/cdns3/core.c')
-rw-r--r--drivers/usb/cdns3/core.c2
1 files changed, 1 insertions, 1 deletions
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);
/*