arm-ccn: Check Return Values
commit 9f61bbd887b2e209a78aef4ee92fc4934e01ba49 from https://github.com/axxia/linux-yocto.git axxia-linux/v5.10/standard/axxia-dev/base Signed-off-by: John Jacques <john.jacques@intel.com> Signed-off-by: Quanyang Wang <quanyang.wang@windriver.com>
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