Messages in this thread | | | Subject | Re: [PATCH] kernel: time: Return ENXIO instead of ENODEV when call smp_call_function_single fail in clockevents_unbind | From | Chen Gang <> | Date | Sat, 25 Dec 2021 13:21:08 +0800 |
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Hello:
The original mail was not sent successfully, so I send it again with another mailbox.
Thanks.
On 12/19/21 11:29 PM, gchen@itskywalker.com wrote: > From: Chen Gang <gchen@itskywalker.com> > > smp_call_function_single will return -ENXIO for failure, so ENXIO needs > to be as the default value of cu.res for return instead of ENODEV. > > Signed-off-by: Chen Gang <gchen@itskywalker.com> > --- > kernel/time/clockevents.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c > index 003ccf338d20..59b83bee03e6 100644 > --- a/kernel/time/clockevents.c > +++ b/kernel/time/clockevents.c > @@ -416,7 +416,7 @@ static void __clockevents_unbind(void *arg) > */ > static int clockevents_unbind(struct clock_event_device *ced, int cpu) > { > - struct ce_unbind cu = { .ce = ced, .res = -ENODEV }; > + struct ce_unbind cu = { .ce = ced, .res = -ENXIO }; > > smp_call_function_single(cpu, __clockevents_unbind, &cu, 1); > return cu.res; >
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