[PATCH] xenbus: avoid uninitialized variable warning

[Jan Beulich]

Older compilers don't recognize that "v" can't be used uninitialized;
other code using hvm_get_parameter() zeros the value too, so follow
suit here.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 drivers/xen/xenbus/xenbus_probe.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

--- 4.1-rc5/drivers/xen/xenbus/xenbus_probe.c
+++ 4.1-rc5-xen-unint-warnings/drivers/xen/xenbus/xenbus_probe.c
@@ -742,7 +742,7 @@ static int xenbus_resume_cb(struct notif
 	int err = 0;
 
 	if (xen_hvm_domain()) {
-		uint64_t v;
+		uint64_t v = 0;
 
 		err = hvm_get_parameter(HVM_PARAM_STORE_EVTCHN, &v);
 		if (!err && v)



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