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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>
This commit is contained in:
Jan Beulich 2015-05-28 09:28:22 +01:00 committed by David Vrabel
parent 76ea3cb428
commit c4ace5daf4
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/hvc/hvc_xen.c
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@ -302,7 +302,7 @@ static int xen_initial_domain_console_init(void)
static void xen_console_update_evtchn(struct xencons_info *info)
{
if (xen_hvm_domain()) {
uint64_t v;
uint64_t v = 0;
int err;
err = hvm_get_parameter(HVM_PARAM_CONSOLE_EVTCHN, &v);