[PATCH] Fix memory leakage

[Eugene Krasnikov]

> If think it would be better to bail out from the function if skb is
> null.

What is the benefit of bailing out from the function in here.
bss_info_changed is rather difficult spot since it does not return any
value and i do not see any pros and cons of both approaches:) Do you
see any benefits from leaving the function as soon as problem
occurred?

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Best regards,
Eugene