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| author | Pan Bian <bianpan2016@163.com> | 2016-12-05 16:22:22 +0800 |
|---|---|---|
| committer | Juergen Gross <jgross@suse.com> | 2016-12-08 07:53:57 +0100 |
| commit | 2466d4b9d0c21e6c28cd63516dea65806bf5a307 (patch) | |
| tree | 662e90240df2d3654ed2bb66b63b9be966571b56 /drivers/xen | |
| parent | 0fdb47440203ce06e09923c4d578cf3c20aef69a (diff) | |
| download | linux-2466d4b9d0c21e6c28cd63516dea65806bf5a307.tar.gz | |
xen: xenbus: set error code on failure
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". Signed-off-by: Pan Bian <bianpan2016@163.com> Reviewed-by: Juergen Gross <jgross@suse.com> Signed-off-by: Juergen Gross <jgross@suse.com>
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/xenbus/xenbus_probe.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c index b5c1dec4a7c2..4bdf654041e9 100644 --- a/drivers/xen/xenbus/xenbus_probe.c +++ b/drivers/xen/xenbus/xenbus_probe.c @@ -702,7 +702,7 @@ device_initcall(xenbus_probe_initcall); */ static int __init xenstored_local_init(void) { - int err = 0; + int err = -ENOMEM; unsigned long page = 0; struct evtchn_alloc_unbound alloc_unbound; |