Messages in this thread | | | Subject | Re: [PATCH] xen/manage: don't complain about an empty value in control/sysrq node | From | Boris Ostrovsky <> | Date | Thu, 6 Sep 2018 15:41:22 -0400 |
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On 09/06/2018 07:26 AM, Vitaly Kuznetsov wrote: > When guest receives a sysrq request from the host it acknowledges it by > writing '\0' to control/sysrq xenstore node. This, however, make xenstore > watch fire again but xenbus_scanf() fails to parse empty value with "%c" > format string: > > sysrq: SysRq : Emergency Sync > Emergency Sync complete > xen:manage: Error -34 reading sysrq code in control/sysrq > > Ignore -ERANGE the same way we already ignore -ENOENT, empty value in > control/sysrq is totally legal. > > Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> >
Applied to for-linus-19b.
-boris
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