Merge branch 'edac-urgent' into edac-for-next

Pick up urgent change into next queue.
Signed-off-by: NBorislav Petkov <bp@suse.de>

drivers/edac/ghes_edac.c

@@ -553,7 +553,11 @@ void ghes_edac_unregister(struct ghes *ghes)
 	if (!ghes_pvt)
 		return;
 
+	if (atomic_dec_return(&ghes_init))
+		return;
+
 	mci = ghes_pvt->mci;
+	ghes_pvt = NULL;
 	edac_mc_del_mc(mci->pdev);
 	edac_mc_free(mci);
 }