eal: fix device iterator when no bus is selected

Devargs used in device iterator initialization wasn't set to zero, random
data like bus string lead to invalid address access.

This patch initializes devargs.

Bugzilla ID: 862
Fixes: c99a2d4c6b7f ("eal: implement device iteration initialization")
Cc: stable@dpdk.org
Signed-off-by: Xueming Li <xuemingl@nvidia.com>

diff --git a/lib/eal/common/eal_common_dev.c b/lib/eal/common/eal_common_dev.c
index 148a23830ab5114680888f9443cb596d8e9d8858..e1e9976d8dc95694e99b62059520c6a51991fdb5 100644 (file)
--- a/lib/eal/common/eal_common_dev.c
+++ b/lib/eal/common/eal_common_dev.c
@@ -573,7 +573,7 @@ int
 rte_dev_iterator_init(struct rte_dev_iterator *it,
                      const char *dev_str)
 {
-       struct rte_devargs devargs;
+       struct rte_devargs devargs = { .bus = NULL };
        struct rte_class *cls = NULL;
        struct rte_bus *bus = NULL;