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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: Dinghao Liu <dinghao.liu@zju.edu.cn>
Link: https://lore.kernel.org/r/20201226080258.6576-1-dinghao.liu@zju.edu.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dinghao Liu 2020-12-26 16:02:56 +08:00 committed by Greg Kroah-Hartman
parent 850c35bb28
commit ec36ae7189
1 changed files with 2 additions and 0 deletions
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2
drivers/staging/rtl8192u/r8192U_core.c
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@ -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;