On Sat, 2017-06-17 at 15:02 +0530, Praveen Kumar wrote:
> The 'rb_first()', 'rb_last()', 'rb_next()' and 'rb_prev()' calls
> take a pointer to an RB node or RB root. They do not change the
> pointed objects, so add a 'const' qualifier in order to make life
> of the users of these functions easier.
> 
> Indeed, if I have my own constant pointer &const struct my_type *p,
> and I call 'rb_next(&p->rb)', I get a GCC warning:
> 
> warning: passing argument 1 of ‘rb_next’ discards qualifiers from
> pointer target
> type
> 
> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
> [Linux commit f4b477c47332367d35686bd2b808c2156b96d7c7]
> 
> Ported to Xen.
> 
> Signed-off-by: Praveen Kumar <kpraveen.lkml@gmail.com>
>
With authorship (the From: field) fixed as Jan suggested,

Reviewed-by: Dario Faggioli <dario.faggioli@citrix.com>

(The remark on the authorship applies of course to all the patches,
even if I don't explicitly state it again).

Dario
-- 
<<This happens because I choose it to happen!>> (Raistlin Majere)
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Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)