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net/xen-netback: Convert timers to use timer_setup()

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In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.

Cc: Wei Liu <wei.liu2@citrix.com>
Cc: Paul Durrant <paul.durrant@citrix.com>
Cc: xen-devel@lists.xenproject.org
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Kees Cook 2017-10-16 17:29:38 -07:00 committed by David S. Miller
parent ba42179350
commit cac6a8f901
3 changed files with 4 additions and 6 deletions
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2
drivers/net/xen-netback/common.h
View File

@ -307,7 +307,7 @@ static inline struct xenbus_device *xenvif_to_xenbus_device(struct xenvif *vif)
return to_xenbus_device(vif->dev->dev.parent);
}
void xenvif_tx_credit_callback(unsigned long data);
void xenvif_tx_credit_callback(struct timer_list *t);
struct xenvif *xenvif_alloc(struct device *parent,
domid_t domid,

2
drivers/net/xen-netback/interface.c
View File

@ -520,7 +520,7 @@ int xenvif_init_queue(struct xenvif_queue *queue)
queue->credit_bytes = queue->remaining_credit = ~0UL;
queue->credit_usec = 0UL;
setup_timer(&queue->credit_timeout, xenvif_tx_credit_callback, 0UL);
timer_setup(&queue->credit_timeout, xenvif_tx_credit_callback, 0);
queue->credit_window_start = get_jiffies_64();
queue->rx_queue_max = XENVIF_RX_QUEUE_BYTES;

6
drivers/net/xen-netback/netback.c
View File

@ -183,9 +183,9 @@ static void tx_add_credit(struct xenvif_queue *queue)
queue->rate_limited = false;
}
void xenvif_tx_credit_callback(unsigned long data)
void xenvif_tx_credit_callback(struct timer_list *t)
{
struct xenvif_queue *queue = (struct xenvif_queue *)data;
struct xenvif_queue *queue = from_timer(queue, t, credit_timeout);
tx_add_credit(queue);
xenvif_napi_schedule_or_enable_events(queue);
}
@ -700,8 +700,6 @@ static bool tx_credit_exceeded(struct xenvif_queue *queue, unsigned size)
/* Still too big to send right now? Set a callback. */
if (size > queue->remaining_credit) {
queue->credit_timeout.data =
(unsigned long)queue;
mod_timer(&queue->credit_timeout,
next_credit);
queue->credit_window_start = next_credit;