Re: [PATCH v2] qga: fence guest-set-time if hwclock not available

[Daniel P . Berrangé]

On Thu, Nov 28, 2019 at 07:11:00PM +0100, Cornelia Huck wrote:
> The Posix implementation of guest-set-time invokes hwclock to
> set/retrieve the time to/from the hardware clock. If hwclock
> is not available, the user is currently informed that "hwclock
> failed to set hardware clock to system time", which is quite
> misleading. This may happen e.g. on s390x, which has a different
> timekeeping concept anyway.
> 
> Let's check for the availability of the hwclock command and
> return QERR_UNSUPPORTED for guest-set-time if it is not available.
> 
> Signed-off-by: Cornelia Huck <address@hidden>
> ---
> 
> v1 (RFC) -> v2:
> - use hwclock_path[]
> - use access() instead of stat()
> 
> ---
>  qga/commands-posix.c | 13 ++++++++++++-
>  1 file changed, 12 insertions(+), 1 deletion(-)

Reviewed-by: Daniel P. Berrangé <address@hidden>


Regards,
Daniel
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