xen/pvcalls: remove set but not used variable 'intf'

BugLink: https://bugs.launchpad.net/bugs/1837813
[ Upstream commit 1f8ce09b36c41a026a37a24b20efa32000892a64 ]

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/xen/pvcalls-back.c: In function 'pvcalls_sk_state_change':
drivers/xen/pvcalls-back.c:286:28: warning:
 variable 'intf' set but not used [-Wunused-but-set-variable]

It not used since e6587cdbd732 ("pvcalls-back: set -ENOTCONN in
pvcalls_conn_back_read")

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>

diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c
index 1c508e66b5691fcd5a4daa3eeac97636d8bb4b5e..842ba459875fcb5f9c953a14888bdaf33ca3d70b 100644 (file)
--- a/drivers/xen/pvcalls-back.c
+++ b/drivers/xen/pvcalls-back.c
@@ -283,12 +283,10 @@ static int pvcalls_back_socket(struct xenbus_device *dev,
 static void pvcalls_sk_state_change(struct sock *sock)
 {
        struct sock_mapping *map = sock->sk_user_data;
-       struct pvcalls_data_intf *intf;
 
        if (map == NULL)
                return;
 
-       intf = map->ring;
        atomic_inc(&map->read);
        notify_remote_via_irq(map->irq);
 }