iio: magnetometer: ak8974: remove redundant zero timeout check
At the end of the delay loop timeout will always be zero and hence the check for !timeout will always be true. Remove the redundant check and the redundant return 0 at the end of the function. Fixes CoverityScan CID#1357168 ("Logically dead code") Signed-off-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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