X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fblock%2Fxen-blkfront.c;h=c3dae2e0f290e8ad64b4f3e6c869c2fca14cd1a1;hb=c77f8bf918e66711938a25b19b188b24971a7d30;hp=11043c18ac5ab01fcfd2e492fff70a87260143fd;hpb=9afa3195b96da7d2320ec44d19fbfbded7a15571;p=karo-tx-linux.git diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 11043c18ac5a..c3dae2e0f290 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -791,7 +791,7 @@ static void blkif_restart_queue(struct work_struct *work) static void blkif_free(struct blkfront_info *info, int suspend) { struct llist_node *all_gnts; - struct grant *persistent_gnt; + struct grant *persistent_gnt, *tmp; struct llist_node *n; /* Prevent new requests being issued until we fix things up. */ @@ -805,10 +805,17 @@ static void blkif_free(struct blkfront_info *info, int suspend) /* Remove all persistent grants */ if (info->persistent_gnts_c) { all_gnts = llist_del_all(&info->persistent_gnts); - llist_for_each_entry_safe(persistent_gnt, n, all_gnts, node) { + persistent_gnt = llist_entry(all_gnts, typeof(*(persistent_gnt)), node); + while (persistent_gnt) { gnttab_end_foreign_access(persistent_gnt->gref, 0, 0UL); __free_page(pfn_to_page(persistent_gnt->pfn)); - kfree(persistent_gnt); + tmp = persistent_gnt; + n = persistent_gnt->node.next; + if (n) + persistent_gnt = llist_entry(n, typeof(*(persistent_gnt)), node); + else + persistent_gnt = NULL; + kfree(tmp); } info->persistent_gnts_c = 0; }