linux-kernel - question about clk_get

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Message-ID: <alpine.DEB.2.20.1611102149500.1970@hadrien>
Date:   Thu, 10 Nov 2016 21:55:16 +0100 (CET)
From:   Julia Lawall <julia.lawall@...6.fr>
To:     Russell King <linux@...linux.org.uk>, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: question about clk_get_parent

As far as I can see in the various definitions of clk_get_parent, they all
return either NULL or a value stored in a structure field.  But the
documentation with the prototype in includ/linux/clk.h says that it
returns a valid IS_ERR() condition containing errno.  Are ERR_PTR values
stored in the structure fields?

thanks,
julia