[alsa-devel] [PATCH] ASoC: tegra: s/IS_ERR_OR_NULL/IS_ERR/ for clk_get_sys

[Liam Girdwood]

On Tue, 2011-01-11 at 12:48 -0700, Stephen Warren wrote:
> A recent discussion on linux-arm-kernel noted that the value returned by
> clk_get_sys is an opaque token, and not strictly a pointer; it is
> meaningful only to the clock API, clients should not dereference the value,
> and the clock API must accept any non-IS_ERR value it returned.
> 
> Hence, only IS_ERR is appropriate to interpret the result, not
> IS_ERR_OR_NULL.
> 
> I checked that clk_get_sys in both ASoC's for-next and Tegra's for-next
> do behave as described; NULL is not returned in the case of error.
> 
> Signed-off-by: Stephen Warren <swarren at nvidia.com>

Acked-by: Liam Girdwood <lrg at slimlogic.co.uk>
-- 
Freelance Developer, SlimLogic Ltd
ASoC and Voltage Regulator Maintainer.
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