diff options
| author |   Gustavo Padovan <gustavo.padovan@collabora.co.uk> | 2013-09-27 11:56:14 -0300 |
|---|---|---|
| committer | Gustavo Padovan <gustavo.padovan@collabora.co.uk> | 2013-09-27 11:56:14 -0300 |
| commit | 1025c04cecd19882e28f16c4004034b475c372c5 (patch) | |
| tree | 2b7402887e86d54bff5a123228c9059eae5e32bd /drivers/xen/grant-table.c | |
| parent | Bluetooth: Add new mgmt_set_advertising command (diff) | |
| parent | Bluetooth: btusb: Add support for Belkin F8065bf (diff) | |
| download | linux-dev-1025c04cecd19882e28f16c4004034b475c372c5.tar.xz linux-dev-1025c04cecd19882e28f16c4004034b475c372c5.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
Conflicts:
net/bluetooth/hci_core.c
Diffstat (limited to 'drivers/xen/grant-table.c')
| -rw-r--r-- | drivers/xen/grant-table.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c index 04cdeb8e3719..c4d2298893b1 100644 --- a/drivers/xen/grant-table.c +++ b/drivers/xen/grant-table.c @@ -730,9 +730,18 @@ void gnttab_request_free_callback(struct gnttab_free_callback *callback, void (*fn)(void *), void *arg, u16 count) { unsigned long flags; + struct gnttab_free_callback *cb; + spin_lock_irqsave(&gnttab_list_lock, flags); - if (callback->next) - goto out; + + /* Check if the callback is already on the list */ + cb = gnttab_free_callback_list; + while (cb) { + if (cb == callback) + goto out; + cb = cb->next; + } + callback->fn = fn; callback->arg = arg; callback->count = count; |