[dpdk-dev] [PATCH] net/virtio: fix null pointer dereference
Yuanhan Liu
yuanhan.liu at linux.intel.com
Tue Jul 5 14:14:35 CEST 2016
On Tue, Jul 05, 2016 at 11:42:59AM +0000, Jianfeng Tan wrote:
> There is a logic bug in this code, that could lead to null pointer
> dereference when cvq is NULL. Fix this problem by changing logic
> _and_ to logic _or_.
>
> >> CID 127480: Null pointer dereferences (FORWARD_NULL)
> >> Dereferencing null pointer "cvq".
> if (!cvq && !cvq->vq) {
> ...
> }
>
> Coverity issue: 127480
>
> Fixes: 01ad44fd374f ("net/virtio: split Rx/Tx queue")
>
> Signed-off-by: Jianfeng Tan <jianfeng.tan at intel.com>
Applied to dpdk-next-virtio.
Thanks.
--yliu
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