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yushuailongandXiang Xiao
8538e1423f
up_rtc_rdalarm() computed tv_sec and tv_nsec from two separate evaluations of rt_timer_time_us() + offset + deadline. The RT timer advances between the two calls, so a read that straddles a second boundary yields an inconsistent timespec. Compute the microsecond value once into a local variable and derive both fields from that single snapshot. Signed-off-by: yushuailong <yyyusl@qq.com>