notifier: Pass data argument to callback

This allows to pass additional information to the notifier callback
which is useful if sender and receiver do not share any other distinct
data structure.

Will be used first for the clock reset notifier.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/usb-linux.c b/usb-linux.c
index 1a2deb3..53cc5fc 100644
--- a/usb-linux.c
+++ b/usb-linux.c
@@ -1260,7 +1260,7 @@ static int usb_host_close(USBHostDevice *dev)
     return 0;
 }
 
-static void usb_host_exit_notifier(struct Notifier* n)
+static void usb_host_exit_notifier(struct Notifier *n, void *data)
 {
     USBHostDevice *s = container_of(n, USBHostDevice, exit);