bus/vdev: allocate empty arguments string

Signed-off-by: Jan Blunck <jblunck@infradead.org>
Acked-by: Gaetan Rivet <gaetan.rivet@6wind.com>

diff --git a/lib/librte_eal/common/eal_common_vdev.c b/lib/librte_eal/common/eal_common_vdev.c
index 5abdba0..e00dda9 100644 (file)
--- a/lib/librte_eal/common/eal_common_vdev.c
+++ b/lib/librte_eal/common/eal_common_vdev.c
@@ -144,6 +144,8 @@ alloc_devargs(const char *name, const char *args)
        devargs->bus = &rte_vdev_bus;
        if (args)
                devargs->args = strdup(args);
+       else
+               devargs->args = strdup("");
 
        ret = snprintf(devargs->name, sizeof(devargs->name), "%s", name);
        if (ret < 0 || ret >= (int)sizeof(devargs->name)) {