Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

[cascardo/linux.git] / kernel / kmod.c

diff --git a/kernel/kmod.c b/kernel/kmod.c
index fb32636..b086006 100644 (file)
--- 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;