Re: [PATCH] RDMA/cxgb4: fix null pointer dereference on alloc_skb failure

Potnuri Bharat Teja
2019-04-15T07:53:51Z

On Saturday, April 04/13/19, 2019 at 21:30:26 +0530, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> Currently if alloc_skb fails to allocate the skb a null skb is passed
> to t4_set_arp_err_handler and this ends up dereferencing the null skb.
> Avoid the null pointer dereference by checking for a null skb and
> returning early.
>
> Addresses-Coverity: ("Dereference null return")
> Fixes: b38a0ad8ec11 ("RDMA/cxgb4: Set arp error handler for PASS_ACCEPT_RPL messages")
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---
> drivers/infiniband/hw/cxgb4/cm.c | 2 ++
> 1 file changed, 2 insertions(+)
>

Thanks,
Acked-by: Potnuri Bharat Teja <bharat@chelsio.com>