raw/skeleton: fix warnings with GCC 9

GCC9 gives warnings if the parameter passed to printf for "%s" could be
NULL, so we need to add checks in some cases to ensure that is not the
case.

Fixes: 61c592a8d035 ("raw/skeleton: introduce skeleton rawdev driver")
Cc: stable@dpdk.org
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>

diff --git a/drivers/raw/skeleton_rawdev/skeleton_rawdev.c b/drivers/raw/skeleton_rawdev/skeleton_rawdev.c
index d7630fc..63f2b9a 100644 (file)
--- a/drivers/raw/skeleton_rawdev/skeleton_rawdev.c
+++ b/drivers/raw/skeleton_rawdev/skeleton_rawdev.c
@@ -705,6 +705,9 @@ skeleton_rawdev_probe(struct rte_vdev_device *vdev)
 
 
        name = rte_vdev_device_name(vdev);
+       if (name == NULL)
+               return -EINVAL;
+
        /* More than one instance is not supported */
        if (skeldev_init_once) {
                SKELETON_PMD_ERR("Multiple instance not supported for %s",
@@ -740,6 +743,8 @@ skeleton_rawdev_remove(struct rte_vdev_device *vdev)
        int ret;
 
        name = rte_vdev_device_name(vdev);
+       if (name == NULL)
+               return -1;
 
        SKELETON_PMD_INFO("Closing %s on NUMA node %d", name, rte_socket_id());