1 files changed, 5 insertions, 0 deletions

diff --git a/kernel/kmod.c b/kernel/kmod.c
index 1296e72e4161..8241906c4b61 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -569,6 +569,11 @@ int call_usermodehelper_exec(struct subprocess_info *sub_info, int wait)
         int retval = 0;
 
         helper_lock();
+        if (!sub_info->path) {
+                retval = -EINVAL;
+                goto out;
+        }
+
         if (sub_info->path[0] == '\0')
                 goto out;