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xenbus: avoid uninitialized variable warning
authorJan Beulich <JBeulich@suse.com>
Thu, 28 May 2015 08:26:37 +0000 (09:26 +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/xen/xenbus/xenbus_probe.c patch | blob | blame | history

diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c
index 5390a674b5e3a8d8ea62112343be83a34be58547..4308fb3cf7c2f717ffd446035f1c30b61f8dacf8 100644 (file)
--- a/drivers/xen/xenbus/xenbus_probe.c
+++ b/drivers/xen/xenbus/xenbus_probe.c
@@ -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)