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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>
This commit is contained in:
Roger Pau Monne 2012-11-16 19:26:47 +01:00 committed by Konrad Rzeszutek Wilk
parent 4d4f270f18
commit 07c540a0b5
1 changed files with 1 additions and 0 deletions
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drivers/block/xen-blkfront.c
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@ -806,6 +806,7 @@ static void blkif_free(struct blkfront_info *info, int suspend)
all_gnts = llist_del_all(&info->persistent_gnts); all_gnts = llist_del_all(&info->persistent_gnts);
llist_for_each_entry(persistent_gnt, all_gnts, node) { llist_for_each_entry(persistent_gnt, all_gnts, node) {
gnttab_end_foreign_access(persistent_gnt->gref, 0, 0UL); gnttab_end_foreign_access(persistent_gnt->gref, 0, 0UL);
__free_page(pfn_to_page(persistent_gnt->pfn));
kfree(persistent_gnt); kfree(persistent_gnt);
} }
info->persistent_gnts_c = 0; info->persistent_gnts_c = 0;