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xenbus: avoid uninitialized variable warning

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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 <[email protected]>
Signed-off-by: David Vrabel <[email protected]>
This commit is contained in:
Jan Beulich authored and David Vrabel committed 2015-05-28 12:23:12 +01:00
1 parent f1dddd118c
commit 76ea3cb428
1 file changed
+1 -1
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drivers/xen/xenbus/xenbus_probe.c
+1 -1
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@@ -742,7 +742,7 @@ static int xenbus_resume_cb(struct notifier_block *nb,
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)