From: Aditya Pakki pakki001@umn.edu
[ Upstream commit 41f00e6e9e55546390031996b773e7f3c1d95928 ]
of_match_device in usb251xb_probe can fail and returns a NULL pointer. The patch avoids a potential NULL pointer dereference in this scenario.
Signed-off-by: Aditya Pakki pakki001@umn.edu Reviewed-by: Richard Leitner richard.leitner@skidata.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin (Microsoft) sashal@kernel.org --- drivers/usb/misc/usb251xb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/misc/usb251xb.c b/drivers/usb/misc/usb251xb.c index 135c91c434bf..ba8fcdb377e8 100644 --- a/drivers/usb/misc/usb251xb.c +++ b/drivers/usb/misc/usb251xb.c @@ -530,7 +530,7 @@ static int usb251xb_probe(struct usb251xb *hub) dev); int err;
- if (np) { + if (np && of_id) { err = usb251xb_get_ofdata(hub, (struct usb251xb_data *)of_id->data); if (err) {