Re: [PATCH] serial: 8250_core: use pre-decrement for iteration limit
From: Frans Klaver
Date: Tue Oct 14 2014 - 07:53:04 EST
On Mon, Oct 13, 2014 at 05:09:11PM +0200, Frans Klaver wrote:
> In serial8250_rx_chars(), max_count is set to 256. Due to the
> post-decrement operator used in the while() condition, the maximum
> number of iterations actually 257. This is not a problem, but it is
> mildly surprising if you're debugging. Use pre-decrement instead.
I'm somewhat inclined to changing the title to something like:
serial: 8250_core: actually limit char reads to max_count
Frans
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/