ghes_edac: fix to use list_for_each_entry_safe() when delete list items

Since we will remove items off the list using list_del() we need
to use a safe version of the list_for_each_entry() macro aptly named
list_for_each_entry_safe().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/edac/ghes_edac.c

@@ -523,9 +523,9 @@ EXPORT_SYMBOL_GPL(ghes_edac_register);
 void ghes_edac_unregister(struct ghes *ghes)
 {
 	struct mem_ctl_info *mci;
-	struct ghes_edac_pvt *pvt;
+	struct ghes_edac_pvt *pvt, *tmp;
 
-	list_for_each_entry(pvt, &ghes_reglist, list) {
+	list_for_each_entry_safe(pvt, tmp, &ghes_reglist, list) {
 		if (ghes == pvt->ghes) {
 			mci = pvt->mci;
 			edac_mc_del_mc(mci->pdev);