diff options
author | Zhang Rui <rui.zhang@intel.com> | 2015-06-11 12:52:14 +0800 |
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committer | Zhang Rui <rui.zhang@intel.com> | 2015-06-11 12:52:14 +0800 |
commit | 111b23cf895b5cbcdc1b2c6580be1bb78a577d05 (patch) | |
tree | 89b840115ccd753216ba0b26e587e52699b99310 /drivers/xen/gntdev.c | |
parent | 6a6bcf08e5d1834447655a762dfaf552b675cc54 (diff) | |
parent | 53daf9383f34d7bf61358a37449fb4d59fbdafc2 (diff) |
Merge branches 'release' and 'thermal-soc' of .git into next
Diffstat (limited to 'drivers/xen/gntdev.c')
-rw-r--r-- | drivers/xen/gntdev.c | 28 |
1 files changed, 3 insertions, 25 deletions
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index d5bb1a33d0a3..89274850741b 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -327,30 +327,10 @@ static int map_grant_pages(struct grant_map *map) return err; } -struct unmap_grant_pages_callback_data -{ - struct completion completion; - int result; -}; - -static void unmap_grant_callback(int result, - struct gntab_unmap_queue_data *data) -{ - struct unmap_grant_pages_callback_data* d = data->data; - - d->result = result; - complete(&d->completion); -} - static int __unmap_grant_pages(struct grant_map *map, int offset, int pages) { int i, err = 0; struct gntab_unmap_queue_data unmap_data; - struct unmap_grant_pages_callback_data data; - - init_completion(&data.completion); - unmap_data.data = &data; - unmap_data.done= &unmap_grant_callback; if (map->notify.flags & UNMAP_NOTIFY_CLEAR_BYTE) { int pgno = (map->notify.addr >> PAGE_SHIFT); @@ -367,11 +347,9 @@ static int __unmap_grant_pages(struct grant_map *map, int offset, int pages) unmap_data.pages = map->pages + offset; unmap_data.count = pages; - gnttab_unmap_refs_async(&unmap_data); - - wait_for_completion(&data.completion); - if (data.result) - return data.result; + err = gnttab_unmap_refs_sync(&unmap_data); + if (err) + return err; for (i = 0; i < pages; i++) { if (map->unmap_ops[offset+i].status) |