stack: fix uninitialized variable

This patch fixes an issue that uninitialized 'success'
is used to be compared with '0'.

Coverity issue: 337676
Fixes: 3340202f5954 ("stack: add lock-free implementation")
Cc: stable@dpdk.org
Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
Reviewed-by: David Marchand <david.marchand@redhat.com>

diff --git a/lib/librte_stack/rte_stack_lf_generic.h b/lib/librte_stack/rte_stack_lf_generic.h
index 3abbb53..4850a05 100644 (file)
--- a/lib/librte_stack/rte_stack_lf_generic.h
+++ b/lib/librte_stack/rte_stack_lf_generic.h
@@ -78,7 +78,7 @@ __rte_stack_lf_pop_elems(struct rte_stack_lf_list *list,
                         struct rte_stack_lf_elem **last)
 {
        struct rte_stack_lf_head old_head;
-       int success;
+       int success = 0;
 
        /* Reserve num elements, if available */
        while (1) {