xen/grant: Fix compile warning.

drivers/xen/grant-table.c:85: warning: ‘rc’ may be used uninitialized in this function

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index fd725cde6ad174bc7048c2e6dd9aa268b061ae6d..4f44b347b24ab2e43a783f20a4c8232561ec120d 100644 (file)
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -82,7 +82,7 @@ static inline grant_ref_t *__gnttab_entry(grant_ref_t entry)
 static int get_free_entries(unsigned count)
 {
        unsigned long flags;
-       int ref, rc;
+       int ref, rc = 0;
        grant_ref_t head;
 
        spin_lock_irqsave(&gnttab_list_lock, flags);