hvc_xen: avoid uninitialized variable warning
authorJan Beulich <JBeulich@suse.com>
Thu, 28 May 2015 08:28:22 +0000 (09:28 +0100)
committerDavid Vrabel <david.vrabel@citrix.com>
Thu, 28 May 2015 11:23:12 +0000 (12:23 +0100)
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>
drivers/tty/hvc/hvc_xen.c

index 7a3d146a5f0efc0dbc3b94e854adb4d81c85da4d..a9d837f83ce832539a442643f10ec4221d0fa117 100644 (file)
@@ -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);