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c97b737ef8
Since the opaque is fixed in size, the caller already knows how many bytes were decoded, on success. Thus, xdr_stream_decode_opaque_fixed() doesn't need to return that value. And, xdr_stream_decode_u32 and _u64 both return zero on success. This patch simplifies the caller's error checking to avoid potential integer promotion issues. Suggested-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Sergey Bashirov <sergeybashirov@gmail.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>