Commit ec36ae71 authored by Dinghao Liu's avatar Dinghao Liu Committed by Greg Kroah-Hartman
Browse files

staging: rtl8192u: Add null check in rtl8192_usb_initendpoints 



There is an allocation for priv->rx_urb[16] has no null check,
which may lead to a null pointer dereference.

Signed-off-by: default avatarDinghao Liu <dinghao.liu@zju.edu.cn>
Link: https://lore.kernel.org/r/20201226080258.6576-1-dinghao.liu@zju.edu.cn


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 850c35bb

drivers/staging/rtl8192u/r8192U_core.c

+2 −0
Original line number Diff line number Diff line
@@ -1608,6 +1608,8 @@ static short rtl8192_usb_initendpoints(struct net_device *dev) 
		void *oldaddr, *newaddr;



		priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);

		if (!priv->rx_urb[16])

			return -ENOMEM;

		priv->oldaddr = kmalloc(16, GFP_KERNEL);

		if (!priv->oldaddr)

			return -ENOMEM;