commit 07c540a0b5f4674538b57ad85bc9306e44fb45dd
author Roger Pau Monne <roger.pau@citrix.com> Fri Nov 16 19:26:47 2012 +0100
committer Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Mon Nov 26 14:58:11 2012 -0500
tree d7181faf6d3c84da37be8a7ad7c5f4b30d3ed629
parent 4d4f270f1880e52d89a33c944ee86f23d6c85541

xen-blkfront: free allocated page

Free the page allocated for the persistent grant.

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

drivers/block/xen-blkfront.c

diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index f1de806..96e9b00 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -806,6 +806,7 @@
 		all_gnts = llist_del_all(&info->persistent_gnts);
 		llist_for_each_entry(persistent_gnt, all_gnts, node) {
 			gnttab_end_foreign_access(persistent_gnt->gref, 0, 0UL);
+			__free_page(pfn_to_page(persistent_gnt->pfn));
 			kfree(persistent_gnt);
 		}
 		info->persistent_gnts_c = 0;