Messages in this thread | | | Subject | Re: [PATCH 1/1 v2] xen: xenbus: set error code on failure | From | Juergen Gross <> | Date | Mon, 5 Dec 2016 10:00:52 +0100 |
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On 05/12/16 09:22, Pan Bian wrote: > Variable err is initialized with 0. As a result, the return value may > be 0 even if get_zeroed_page() fails to allocate memory. This patch fixes > the bug, initializing err with "-ENOMEM". > > v1 is reviewed by: Juergen Gross <jgross@suse.com>
I didn't say so.
> Signed-off-by: Pan Bian <bianpan2016@163.com>
Now I do:
Reviewed-by: Juergen Gross <jgross@suse.com>
Juergen
> --- > drivers/xen/xenbus/xenbus_probe.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c > index 33a31cf..8178d5b 100644 > --- a/drivers/xen/xenbus/xenbus_probe.c > +++ b/drivers/xen/xenbus/xenbus_probe.c > @@ -702,7 +702,7 @@ static int __init xenbus_probe_initcall(void) > */ > static int __init xenstored_local_init(void) > { > - int err = 0; > + int err = -ENOMEM; > unsigned long page = 0; > struct evtchn_alloc_unbound alloc_unbound; > >
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