zijianzhang@ wrote:
> From: Zijian Zhang <zijianzhang@xxxxxxxxxxxxx>
>
> Several fixes to bpf_msg_pop_data,
> 1. In sk_msg_shift_left, we should put_page
> 2. if (len == 0), return early is better
> 3. pop the entire sk_msg (last == msg->sg.size) should be supported
> 4. Fix for the value of variable a and sge->length
> 5. In sk_msg_shift_left, after shifting, i has already pointed to the next
> element. Addtional sk_msg_iter_var_next may result in BUG.
>
> Fixes: 7246d8ed4dcc ("bpf: helper to pop data from messages")
> Signed-off-by: Zijian Zhang <zijianzhang@xxxxxxxxxxxxx>
> ---
Thanks!
Reviewed-by: John Fastabend <john.fastabend@xxxxxxxxx>
