78 	unsigned int old, new, val = atomic_read(&r->refs);  in refcount_inc_not_zero()  local
81 		new = val + 1;  in refcount_inc_not_zero()
83 		if (!val)  in refcount_inc_not_zero()
89 		old = atomic_cmpxchg_relaxed(&r->refs, val, new);  in refcount_inc_not_zero()
90 		if (old == val)  in refcount_inc_not_zero()
93 		val = old;  in refcount_inc_not_zero()
123 	unsigned int old, new, val = atomic_read(&r->refs);  in refcount_sub_and_test()  local
126 		if (unlikely(val == UINT_MAX))  in refcount_sub_and_test()
129 		new = val - i;  in refcount_sub_and_test()
130 		if (new > val) {  in refcount_sub_and_test()
131 			REFCOUNT_WARN(new > val, "refcount_t: underflow; use-after-free.\n");  in refcount_sub_and_test()
135 		old = atomic_cmpxchg_release(&r->refs, val, new);  in refcount_sub_and_test()
136 		if (old == val)  in refcount_sub_and_test()
139 		val = old;  in refcount_sub_and_test()