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由 Mathieu Poirier 提交于
The read pointer (read_ptr) needs to be adjusted only if its value has gone beyond the length of the memory buffer. Reported-by: NSuzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: NMathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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