Messages in this thread | | | Date | Sat, 4 Nov 2023 08:20:57 -0700 | From | Richard Cochran <> | Subject | Re: [PATCH net-next V5] ptp: fix corrupted list in ptp_open |
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On Sat, Nov 04, 2023 at 03:07:24PM +0800, Edward Adam Davis wrote:
> diff --git a/drivers/ptp/ptp_private.h b/drivers/ptp/ptp_private.h > index 52f87e394aa6..7d82960fd946 100644 > --- a/drivers/ptp/ptp_private.h > +++ b/drivers/ptp/ptp_private.h > @@ -44,6 +44,7 @@ struct ptp_clock { > struct pps_device *pps_source; > long dialed_frequency; /* remembers the frequency adjustment */ > struct list_head tsevqs; /* timestamp fifo list */ > + struct mutex tsevq_mux; /* one process at a time writing the timestamp fifo list */
As I said before, it cannot be a mutex. It must be a spin lock.
Thanks, Richard
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