eal: fix check for default plugin directory

The check for the existence of the default plugin directory calls stat
using an incorrect variable, which will cause a NULL pointer dereference
error.

Coverity issue: 198440
Fixes: d6a4399cdfc9 ("eal: avoid error for non-existent default PMD path")

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Aaron Conole <aconole@redhat.com>

diff --git a/lib/librte_eal/common/eal_common_options.c b/lib/librte_eal/common/eal_common_options.c
index 450f266..996a034 100644 (file)
--- a/lib/librte_eal/common/eal_common_options.c
+++ b/lib/librte_eal/common/eal_common_options.c
@@ -280,7 +280,7 @@ eal_plugins_init(void)
        struct shared_driver *solib = NULL;
        struct stat sb;
 
-       if (*default_solib_dir != '\0' && stat(solib->name, &sb) == 0 &&
+       if (*default_solib_dir != '\0' && stat(default_solib_dir, &sb) == 0 &&
                                S_ISDIR(sb.st_mode))
                eal_plugin_add(default_solib_dir);