Re: [PATCH] Fix an infinite retry-loop

From: Andy Shevchenko
Date: Wed Jan 07 2015 - 13:39:15 EST


On Sun, Jan 4, 2015 at 8:04 PM, Giel van Schijndel <me@xxxxxxxxx> wrote:
> This was clearly intended as a retry-10-times loop, but due to the
> absence of code incrementing the loop-counter it was practically a
> retry-forever loop.
>
> Rewritten it as a for-loop as well to make the loop-counter increment
> (as well as its potential absence) easier to spot.

It's already in upstream in better form.

> ---
> drivers/net/ethernet/qlogic/qla3xxx.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c
> index c2f09af..35a26c9 100644
> --- a/drivers/net/ethernet/qlogic/qla3xxx.c
> +++ b/drivers/net/ethernet/qlogic/qla3xxx.c
> @@ -144,9 +144,9 @@ static int ql_sem_lock(struct ql3_adapter *qdev, u32 sem_mask, u32 sem_bits)
> */
> static int ql_wait_for_drvr_lock(struct ql3_adapter *qdev)
> {
> - int i = 0;
> + int i;
>
> - while (i < 10) {
> + for (i = 0; i < 10; ++i) {
> if (i)
> ssleep(1);
>
> --
> 2.1.4
>
> --
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--
With Best Regards,
Andy Shevchenko
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