On Thu, 2015-05-14 at 16:55 +0800, Yang Hongyang wrote:
> When we use a DECLARE_HYPERCALL_BUFFER_SHADOW define a user
^it defines
> pointer '_name' and a shadow xc_hypercall_buffer_t.
> then call xc_hypercall_buffer_free_pages(_xch, _name, _nr),
^When then calling
> the complier will report '_name' unused error, it's because
^drop it's
> xc_hypercall_buffer_free_pages() is a MACRO and '_name'
^is
> transparently converted to the hypercall buffer. it confused
confuses
> the caller because xc_hypercall_buffer_free_pages() do look
looks
> like a function and take '_name' as an arg.
takes
> Add an if check to let the compiler think we are actually
> using the argument '_name'.
>
> Signed-off-by: Yang Hongyang <yan...@cn.fujitsu.com>
I can fix those on commit if there is no other reason for a v7.
Acked-by: Ian Campbell <ian.campb...@citrix.com>
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