Add error checking to the kernel Makefile to ensure that the atomic_inc_not_zero or atomic_long_inc_not_zero functions are found in kernel/cred.c
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@@ -132,6 +132,8 @@ ifeq ($(shell grep -q "atomic_inc_not_zero" $(srctree)/kernel/cred.c; echo $$?),
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ATOMIC_INC_FUNC = atomic_inc_not_zero
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else ifeq ($(shell grep -q "atomic_long_inc_not_zero" $(srctree)/kernel/cred.c; echo $$?),0)
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ATOMIC_INC_FUNC = atomic_long_inc_not_zero
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else
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$(error -- KSU_SUSFS: Neither atomic_inc_not_zero nor atomic_long_inc_not_zero found in kernel/cred.c)
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endif
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ifneq ($(shell grep -Eq "^static inline const struct cred \*get_cred_rcu" $(srctree)/include/linux/cred.h; echo $$?),0)
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