Commit 2466d4b9 authored Dec 05, 2016 by Pan Bian Committed by Juergen Gross Dec 08, 2016

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>

parent 0fdb4744

drivers/xen/xenbus/xenbus_probe.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;