coresight: Use ERR_CAST instead of ERR_PTR
[ Upstream commit bbd35ba6fab5419e58e96f35f1431f13bdc14f98 ] Use ERR_CAT inlined function to replace the ERR_PTR(PTR_ERR). It make the code more concise. Signed-off-by: Nzhong jiang <zhongjiang@huawei.com> Signed-off-by: NMathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: NSasha Levin <sashal@kernel.org>
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