RE: [PATCH] scsi: target: cxgbit: check skb dequeue result

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>On a couple of abort packet paths skb dequeuing may end up with
>returning NULL, which, in turn, may end up with further null
>pointer dereference.
>Fix it by checking the return value of skb dequeuing.

skbs in csk->skbq are preallocated for critical events in cxgbit_alloc_csk_skb(),
so there is no need to check for NULL.

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