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由 Mike Frysinger 提交于
Relying on overflow/wrap around isn't exact because if you wrap far enough, you get back to "valid" values. Reported-by: NThorsten Pohlmann <pohlmann@tetronik.com> Signed-off-by: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NWim Van Sebroeck <wim@iguana.be> Cc: stable <stable@kernel.org>
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