eal: restrict default plugin path to shared lib mode

[dpdk.git] / lib / librte_eal / common / eal_common_options.c

diff --git a/lib/librte_eal/common/eal_common_options.c b/lib/librte_eal/common/eal_common_options.c
index 85d5ba7..34edd8c 100644 (file)
--- a/lib/librte_eal/common/eal_common_options.c
+++ b/lib/librte_eal/common/eal_common_options.c
@@ -484,8 +484,15 @@ eal_plugins_init(void)
        struct shared_driver *solib = NULL;
        struct stat sb;
 
-       if (*default_solib_dir != '\0' && stat(default_solib_dir, &sb) == 0 &&
-                               S_ISDIR(sb.st_mode))
+       /* If we are not statically linked, add default driver loading
+        * path if it exists as a directory.
+        * (Using dlopen with NOLOAD flag on EAL, will return NULL if the EAL
+        * shared library is not already loaded i.e. it's statically linked.)
+        */
+       if (dlopen("librte_eal.so", RTLD_LAZY | RTLD_NOLOAD) != NULL &&
+                       *default_solib_dir != '\0' &&
+                       stat(default_solib_dir, &sb) == 0 &&
+                       S_ISDIR(sb.st_mode))
                eal_plugin_add(default_solib_dir);
 
        TAILQ_FOREACH(solib, &solib_list, next) {