projects / people / pmueller / ipfire-2.x.git / blame
| Commit | Line | Data |
|---|---|---|
| 00e5a55c BS |
1 | From: http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/51decc39e5e7 |
| 2 | # HG changeset 782 patch | |
| 3 | # User Keir Fraser <keir.fraser@citrix.com> | |
| 4 | # Date 1233150129 0 | |
| 5 | # Node ID 51decc39e5e73ea201d0b96108f8a893106a6864 | |
| 6 | # Parent c9783c08495c56337dec371582b3f948e3b5ed8d | |
| 7 | Subject: linux/netback: unmap tx ring gref when mapping of rx ring gref failed | |
| 8 | Patch-mainline: obsolete | |
| 9 | ||
| 10 | Signed-off-by: Jan Beulich <jbeulich@novell.com> | |
| 11 | ||
| 12 | --- head-2009-02-02.orig/drivers/xen/netback/interface.c 2009-02-02 09:28:02.000000000 +0100 | |
| 13 | +++ head-2009-02-02/drivers/xen/netback/interface.c 2009-02-02 09:40:43.000000000 +0100 | |
| 14 | @@ -219,6 +219,13 @@ static int map_frontend_pages( | |
| 15 | BUG(); | |
| 16 | ||
| 17 | if (op.status) { | |
| 18 | + struct gnttab_unmap_grant_ref unop; | |
| 19 | + | |
| 20 | + gnttab_set_unmap_op(&unop, | |
| 21 | + (unsigned long)netif->tx_comms_area->addr, | |
| 22 | + GNTMAP_host_map, netif->tx_shmem_handle); | |
| 23 | + VOID(HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, | |
| 24 | + &unop, 1)); | |
| 25 | DPRINTK(" Gnttab failure mapping rx_ring_ref!\n"); | |
| 26 | return op.status; | |
| 27 | } |