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Laurent Pinchart authored
linux/err.h isn't implicitly included by the current headers on all platforms, resulting in compilation failures due to implicit declarations of IS_ERR and PTR_ERR. Fix this by including linux/err.h. Signed-off-by:
Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by:
Vinod Koul <vinod.koul@intel.com>
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