From: Colin King <colin.king@xxxxxxxxxxxxx>
Date: Tue, 8 Aug 2017 10:52:32 +0100
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> Change post-decrement compare to pre-decrement to avoid an
> unsigned integer wrap-around on timeout. This leads to the following
> !timeout check to never to be true so -ETIMEDOUT is never returned.
>
> Detected by CoverityScan, CID#1452623 ("Logically dead code")
>
> Fixes: 69a60b0579a4 ("net: phy: mdio-bcm-unimac: factor busy polling loop")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
Applied.
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