2017-10-11 10:34:10

by Allen

[permalink] [raw]
Subject: [PATCH] [net-next]NFC: Convert timers to use timer_setup()

Switch to using the new timer_setup() and from_timer()
for net/nfc/*

Signed-off-by: Allen Pais <[email protected]>
---
---
net/nfc/core.c | 8 +++-----
net/nfc/hci/core.c | 7 +++----
net/nfc/hci/llc_shdlc.c | 23 +++++++++--------------
net/nfc/llcp_core.c | 14 ++++++--------
4 files changed, 21 insertions(+), 31 deletions(-)

diff --git a/net/nfc/core.c b/net/nfc/core.c
index e5e23c2..56e5467 100644
--- a/net/nfc/core.c
+++ b/net/nfc/core.c
@@ -1015,9 +1015,9 @@ static void nfc_check_pres_work(struct work_struct *work)
device_unlock(&dev->dev);
}

-static void nfc_check_pres_timeout(unsigned long data)
+static void nfc_check_pres_timeout(struct timer_list *t)
{
- struct nfc_dev *dev = (struct nfc_dev *)data;
+ struct nfc_dev *dev = from_timer(dev, t, check_pres_timer);

schedule_work(&dev->check_pres_work);
}
@@ -1094,9 +1094,7 @@ struct nfc_dev *nfc_allocate_device(struct nfc_ops *ops,
dev->targets_generation = 1;

if (ops->check_presence) {
- setup_timer(&dev->check_pres_timer, nfc_check_pres_timeout,
- (unsigned long)dev);
-
+ timer_setup(&dev->check_pres_timer, nfc_check_pres_timeout, 0);
INIT_WORK(&dev->check_pres_work, nfc_check_pres_work);
}

diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c
index a8a6e78..ac8030c4 100644
--- a/net/nfc/hci/core.c
+++ b/net/nfc/hci/core.c
@@ -428,9 +428,9 @@ void nfc_hci_event_received(struct nfc_hci_dev *hdev, u8 pipe, u8 event,
nfc_hci_driver_failure(hdev, r);
}

-static void nfc_hci_cmd_timeout(unsigned long data)
+static void nfc_hci_cmd_timeout(struct timer_list *t)
{
- struct nfc_hci_dev *hdev = (struct nfc_hci_dev *)data;
+ struct nfc_hci_dev *hdev = from_timer(hdev, t, cmd_timer);

schedule_work(&hdev->msg_tx_work);
}
@@ -1004,8 +1004,7 @@ int nfc_hci_register_device(struct nfc_hci_dev *hdev)

INIT_WORK(&hdev->msg_tx_work, nfc_hci_msg_tx_work);

- setup_timer(&hdev->cmd_timer, nfc_hci_cmd_timeout,
- (unsigned long)hdev);
+ timer_setup(&hdev->cmd_timer, nfc_hci_cmd_timeout, 0);

skb_queue_head_init(&hdev->rx_hcp_frags);

diff --git a/net/nfc/hci/llc_shdlc.c b/net/nfc/hci/llc_shdlc.c
index 58df37e..fe98893 100644
--- a/net/nfc/hci/llc_shdlc.c
+++ b/net/nfc/hci/llc_shdlc.c
@@ -580,27 +580,27 @@ static void llc_shdlc_handle_send_queue(struct llc_shdlc *shdlc)
}
}

-static void llc_shdlc_connect_timeout(unsigned long data)
+static void llc_shdlc_connect_timeout(struct timer_list *t)
{
- struct llc_shdlc *shdlc = (struct llc_shdlc *)data;
+ struct llc_shdlc *shdlc = from_timer(shdlc, t, connect_timer);

pr_debug("\n");

schedule_work(&shdlc->sm_work);
}

-static void llc_shdlc_t1_timeout(unsigned long data)
+static void llc_shdlc_t1_timeout(struct timer_list *t)
{
- struct llc_shdlc *shdlc = (struct llc_shdlc *)data;
+ struct llc_shdlc *shdlc = from_timer(shdlc, t, t1_timer);

pr_debug("SoftIRQ: need to send ack\n");

schedule_work(&shdlc->sm_work);
}

-static void llc_shdlc_t2_timeout(unsigned long data)
+static void llc_shdlc_t2_timeout(struct timer_list *t)
{
- struct llc_shdlc *shdlc = (struct llc_shdlc *)data;
+ struct llc_shdlc *shdlc = from_timer(shdlc, t, t2_timer);

pr_debug("SoftIRQ: need to retransmit\n");

@@ -763,14 +763,9 @@ static void *llc_shdlc_init(struct nfc_hci_dev *hdev, xmit_to_drv_t xmit_to_drv,
mutex_init(&shdlc->state_mutex);
shdlc->state = SHDLC_DISCONNECTED;

- setup_timer(&shdlc->connect_timer, llc_shdlc_connect_timeout,
- (unsigned long)shdlc);
-
- setup_timer(&shdlc->t1_timer, llc_shdlc_t1_timeout,
- (unsigned long)shdlc);
-
- setup_timer(&shdlc->t2_timer, llc_shdlc_t2_timeout,
- (unsigned long)shdlc);
+ timer_setup(&shdlc->connect_timer, llc_shdlc_connect_timeout, 0);
+ timer_setup(&shdlc->t1_timer, llc_shdlc_t1_timeout, 0);
+ timer_setup(&shdlc->t2_timer, llc_shdlc_t2_timeout, 0);

shdlc->w = SHDLC_MAX_WINDOW;
shdlc->srej_support = SHDLC_SREJ_SUPPORT;
diff --git a/net/nfc/llcp_core.c b/net/nfc/llcp_core.c
index 7988185..ef4026a 100644
--- a/net/nfc/llcp_core.c
+++ b/net/nfc/llcp_core.c
@@ -242,9 +242,9 @@ static void nfc_llcp_timeout_work(struct work_struct *work)
nfc_dep_link_down(local->dev);
}

-static void nfc_llcp_symm_timer(unsigned long data)
+static void nfc_llcp_symm_timer(struct timer_list *t)
{
- struct nfc_llcp_local *local = (struct nfc_llcp_local *) data;
+ struct nfc_llcp_local *local = from_timer(local, t, link_timer);

pr_err("SYMM timeout\n");

@@ -285,9 +285,9 @@ static void nfc_llcp_sdreq_timeout_work(struct work_struct *work)
nfc_genl_llc_send_sdres(local->dev, &nl_sdres_list);
}

-static void nfc_llcp_sdreq_timer(unsigned long data)
+static void nfc_llcp_sdreq_timer(struct timer_list *t)
{
- struct nfc_llcp_local *local = (struct nfc_llcp_local *) data;
+ struct nfc_llcp_local *local = from_timer(local, t, sdreq_timer);

schedule_work(&local->sdreq_timeout_work);
}
@@ -1573,8 +1573,7 @@ int nfc_llcp_register_device(struct nfc_dev *ndev)
INIT_LIST_HEAD(&local->list);
kref_init(&local->ref);
mutex_init(&local->sdp_lock);
- setup_timer(&local->link_timer, nfc_llcp_symm_timer,
- (unsigned long)local);
+ timer_setup(&local->link_timer, nfc_llcp_symm_timer, 0);

skb_queue_head_init(&local->tx_queue);
INIT_WORK(&local->tx_work, nfc_llcp_tx_work);
@@ -1600,8 +1599,7 @@ int nfc_llcp_register_device(struct nfc_dev *ndev)

mutex_init(&local->sdreq_lock);
INIT_HLIST_HEAD(&local->pending_sdreqs);
- setup_timer(&local->sdreq_timer, nfc_llcp_sdreq_timer,
- (unsigned long)local);
+ timer_setup(&local->sdreq_timer, nfc_llcp_sdreq_timer, 0);
INIT_WORK(&local->sdreq_timeout_work, nfc_llcp_sdreq_timeout_work);

list_add(&local->list, &llcp_devices);
--
2.7.4


2017-10-11 19:52:40

by Allen

[permalink] [raw]
Subject: Re: [PATCH] [net-next]NFC: Convert timers to use timer_setup()

> Switch to using the new timer_setup() and from_timer()
> for net/nfc/*
>
> Signed-off-by: Allen Pais <[email protected]>
> ---
> ---
> net/nfc/core.c | 8 +++-----
> net/nfc/hci/core.c | 7 +++----
> net/nfc/hci/llc_shdlc.c | 23 +++++++++--------------
> net/nfc/llcp_core.c | 14 ++++++--------
> 4 files changed, 21 insertions(+), 31 deletions(-)
>

My bad, I missed the Reviewed-by.

Reviewed-by: Kees Cook <[email protected]>

- Allen