1 files changed, 4 insertions, 0 deletions

diff --git a/kernel/kmod.c b/kernel/kmod.c
index fb326365b694..b086006c59e7 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -571,6 +571,10 @@ int call_usermodehelper_exec(struct subprocess_info *sub_info, int wait)
         DECLARE_COMPLETION_ONSTACK(done);
         int retval = 0;
 
+        if (!sub_info->path) {
+                call_usermodehelper_freeinfo(sub_info);
+                return -EINVAL;
+        }
         helper_lock();
         if (!khelper_wq || usermodehelper_disabled) {
                 retval = -EBUSY;