From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date: Fri, 25 Aug 2017 23:27:14 +0300
> "err" is set to zero if bpf_map_area_alloc() fails so it means we return
> ERR_PTR(0) which is NULL. The caller, find_and_alloc_map(), is not
> expecting NULL returns and will oops.
>
> Fixes: 174a79ff9515 ("bpf: sockmap with sk redirect support")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Applied.
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