hvc_xen: avoid uninitialized variable warning
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@suse.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
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@ -302,7 +302,7 @@ static int xen_initial_domain_console_init(void)
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static void xen_console_update_evtchn(struct xencons_info *info)
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{
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if (xen_hvm_domain()) {
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uint64_t v;
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uint64_t v = 0;
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int err;
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err = hvm_get_parameter(HVM_PARAM_CONSOLE_EVTCHN, &v);
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