3.16.7-ckt10 -stable review patch. If anyone has any objections, please let me know.
------------------
From: David Dueck <davidcdueck@xxxxxxxxxxxxxx>
commit d0f347d62814ec0f599a05c61c5619d5e999e4ae upstream.
This fixes a potential null pointer dereference.
Fixes: d4332013919a ("driver core: dev_get_drvdata: Don't check for NULL dev")
Acked-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
Signed-off-by: David Dueck <davidcdueck@xxxxxxxxxxxxxx>
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
---
drivers/usb/phy/phy-am335x-control.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/usb/phy/phy-am335x-control.c b/drivers/usb/phy/phy-am335x-control.c
index 35b6083b7999..d5eca7b9c555 100644
--- a/drivers/usb/phy/phy-am335x-control.c
+++ b/drivers/usb/phy/phy-am335x-control.c
@@ -126,6 +126,9 @@ struct phy_control *am335x_get_phy_control(struct device *dev)
return NULL;
dev = bus_find_device(&platform_bus_type, NULL, node, match);
+ if (!dev)
+ return NULL;
+
ctrl_usb = dev_get_drvdata(dev);
if (!ctrl_usb)
return NULL;
--
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