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commit69d9cd8c59upstream. This reverts commit7291a932c6. The conversion to be16_add_cpu() is incorrect in case cryptlen is negative due to premature (i.e. before addition / subtraction) implicit conversion of cryptlen (int -> u16) leading to sign loss. Cc: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Horia Geanta <horia.geanta@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>