Merge remote-tracking branch 'gfs2/master'

[karo-tx-linux.git] / kernel / kmod.c

diff --git a/kernel/kmod.c b/kernel/kmod.c
index fb326365b69466158b03b726e53c4fe15448fa89..b086006c59e7c6957a51984a3ec101ea2db8525d 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;