Re: [PATCH 44/58] net: ethernet: sun: Convert timers to use timer_setup()
flat view
From: Shannon Nelson <hidden>
Date: 2017-10-17 16:28:16
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On 10/16/2017 5:29 PM, Kees Cook wrote:
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: "David S. Miller" <davem@davemloft.net> Cc: Philippe Reynes <redacted> Cc: Jarod Wilson <redacted> Cc: Shannon Nelson <redacted> Cc: Rob Herring <robh@kernel.org> Cc: chris hyser <redacted> Cc: Tushar Dave <redacted> Cc: Tobias Klauser <tklauser@distanz.ch> Cc: netdev@vger.kernel.org Signed-off-by: Kees Cook <redacted>
Acked-by: Shannon Nelson <redacted>
quoted hunk ↗ jump to hunk
--- drivers/net/ethernet/sun/cassini.c | 7 ++++--- drivers/net/ethernet/sun/ldmvsw.c | 3 +-- drivers/net/ethernet/sun/niu.c | 10 ++++------ drivers/net/ethernet/sun/sunbmac.c | 10 ++++------ drivers/net/ethernet/sun/sungem.c | 6 +++--- drivers/net/ethernet/sun/sunhme.c | 10 ++++------ drivers/net/ethernet/sun/sunvnet.c | 3 +-- drivers/net/ethernet/sun/sunvnet_common.c | 4 ++-- drivers/net/ethernet/sun/sunvnet_common.h | 2 +- 9 files changed, 24 insertions(+), 31 deletions(-)diff --git a/drivers/net/ethernet/sun/cassini.c b/drivers/net/ethernet/sun/cassini.c index a74d78f64af9..113bd57e2ea0 100644 --- a/drivers/net/ethernet/sun/cassini.c +++ b/drivers/net/ethernet/sun/cassini.c@@ -4079,9 +4079,9 @@ static void cas_reset_task(struct work_struct *work) #endif } -static void cas_link_timer(unsigned long data) +static void cas_link_timer(struct timer_list *t) { - struct cas *cp = (struct cas *) data; + struct cas *cp = from_timer(cp, t, link_timer); int mask, pending = 0, reset = 0; unsigned long flags;@@ -5039,7 +5039,8 @@ static int cas_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) spin_lock_init(&cp->stat_lock[N_TX_RINGS]); mutex_init(&cp->pm_mutex); - setup_timer(&cp->link_timer, cas_link_timer, (unsigned long)cp); + timer_setup(&cp->link_timer, cas_link_timer, 0); + #if 1 /* Just in case the implementation of atomic operations * change so that an explicit initialization is necessary.diff --git a/drivers/net/ethernet/sun/ldmvsw.c b/drivers/net/ethernet/sun/ldmvsw.c index 5feeaa9f0a9e..5ea037672e6f 100644 --- a/drivers/net/ethernet/sun/ldmvsw.c +++ b/drivers/net/ethernet/sun/ldmvsw.c@@ -363,8 +363,7 @@ static int vsw_port_probe(struct vio_dev *vdev, const struct vio_device_id *id) list_add_rcu(&port->list, &vp->port_list); spin_unlock_irqrestore(&vp->lock, flags); - setup_timer(&port->clean_timer, sunvnet_clean_timer_expire_common, - (unsigned long)port); + timer_setup(&port->clean_timer, sunvnet_clean_timer_expire_common, 0); err = register_netdev(dev); if (err) {diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c index bde19b307d0d..ab502ee35fb2 100644 --- a/drivers/net/ethernet/sun/niu.c +++ b/drivers/net/ethernet/sun/niu.c@@ -2221,9 +2221,9 @@ static int niu_link_status(struct niu *np, int *link_up_p) return err; } -static void niu_timer(unsigned long __opaque) +static void niu_timer(struct timer_list *t) { - struct niu *np = (struct niu *) __opaque; + struct niu *np = from_timer(np, t, timer); unsigned long off; int err, link_up;@@ -6123,7 +6123,7 @@ static int niu_open(struct net_device *dev) err = niu_init_hw(np); if (!err) { - setup_timer(&np->timer, niu_timer, (unsigned long)np); + timer_setup(&np->timer, niu_timer, 0); np->timer.expires = jiffies + HZ; err = niu_enable_interrupts(np, 1);@@ -6773,10 +6773,8 @@ static int niu_change_mtu(struct net_device *dev, int new_mtu) err = niu_init_hw(np); if (!err) { - init_timer(&np->timer); + timer_setup(&np->timer, niu_timer, 0); np->timer.expires = jiffies + HZ; - np->timer.data = (unsigned long) np; - np->timer.function = niu_timer; err = niu_enable_interrupts(np, 1); if (err)diff --git a/drivers/net/ethernet/sun/sunbmac.c b/drivers/net/ethernet/sun/sunbmac.c index 3189722110c2..0b1f41f6bceb 100644 --- a/drivers/net/ethernet/sun/sunbmac.c +++ b/drivers/net/ethernet/sun/sunbmac.c@@ -523,9 +523,9 @@ static int try_next_permutation(struct bigmac *bp, void __iomem *tregs) return -1; } -static void bigmac_timer(unsigned long data) +static void bigmac_timer(struct timer_list *t) { - struct bigmac *bp = (struct bigmac *) data; + struct bigmac *bp = from_timer(bp, t, bigmac_timer); void __iomem *tregs = bp->tregs; int restart_timer = 0;@@ -613,8 +613,6 @@ static void bigmac_begin_auto_negotiation(struct bigmac *bp) bp->timer_state = ltrywait; bp->timer_ticks = 0; bp->bigmac_timer.expires = jiffies + (12 * HZ) / 10; - bp->bigmac_timer.data = (unsigned long) bp; - bp->bigmac_timer.function = bigmac_timer; add_timer(&bp->bigmac_timer); }@@ -921,7 +919,7 @@ static int bigmac_open(struct net_device *dev) printk(KERN_ERR "BIGMAC: Can't order irq %d to go.\n", dev->irq); return ret; } - init_timer(&bp->bigmac_timer); + timer_setup(&bp->bigmac_timer, bigmac_timer, 0); ret = bigmac_init_hw(bp, 0); if (ret) free_irq(dev->irq, bp);@@ -1172,7 +1170,7 @@ static int bigmac_ether_init(struct platform_device *op, "board-version", 1); /* Init auto-negotiation timer state. */ - init_timer(&bp->bigmac_timer); + timer_setup(&bp->bigmac_timer, bigmac_timer, 0); bp->timer_state = asleep; bp->timer_ticks = 0;diff --git a/drivers/net/ethernet/sun/sungem.c b/drivers/net/ethernet/sun/sungem.c index b75ab8f44968..a7afcee3c5ae 100644 --- a/drivers/net/ethernet/sun/sungem.c +++ b/drivers/net/ethernet/sun/sungem.c@@ -1496,9 +1496,9 @@ static int gem_mdio_link_not_up(struct gem *gp) } } -static void gem_link_timer(unsigned long data) +static void gem_link_timer(struct timer_list *t) { - struct gem *gp = (struct gem *) data; + struct gem *gp = from_timer(gp, t, link_timer); struct net_device *dev = gp->dev; int restart_aneg = 0;@@ -2910,7 +2910,7 @@ static int gem_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) gp->msg_enable = DEFAULT_MSG; - setup_timer(&gp->link_timer, gem_link_timer, (unsigned long)gp); + timer_setup(&gp->link_timer, gem_link_timer, 0); INIT_WORK(&gp->reset_task, gem_reset_task);diff --git a/drivers/net/ethernet/sun/sunhme.c b/drivers/net/ethernet/sun/sunhme.c index 9e983e1d8249..0431f1e5f511 100644 --- a/drivers/net/ethernet/sun/sunhme.c +++ b/drivers/net/ethernet/sun/sunhme.c@@ -685,9 +685,9 @@ static int is_lucent_phy(struct happy_meal *hp) return ret; } -static void happy_meal_timer(unsigned long data) +static void happy_meal_timer(struct timer_list *t) { - struct happy_meal *hp = (struct happy_meal *) data; + struct happy_meal *hp = from_timer(hp, t, happy_timer); void __iomem *tregs = hp->tcvregs; int restart_timer = 0;@@ -1413,8 +1413,6 @@ happy_meal_begin_auto_negotiation(struct happy_meal *hp, hp->timer_ticks = 0; hp->happy_timer.expires = jiffies + (12 * HZ)/10; /* 1.2 sec. */ - hp->happy_timer.data = (unsigned long) hp; - hp->happy_timer.function = happy_meal_timer; add_timer(&hp->happy_timer); }@@ -2819,7 +2817,7 @@ static int happy_meal_sbus_probe_one(struct platform_device *op, int is_qfe) hp->timer_state = asleep; hp->timer_ticks = 0; - init_timer(&hp->happy_timer); + timer_setup(&hp->happy_timer, happy_meal_timer, 0); hp->dev = dev; dev->netdev_ops = &hme_netdev_ops;@@ -3133,7 +3131,7 @@ static int happy_meal_pci_probe(struct pci_dev *pdev, hp->timer_state = asleep; hp->timer_ticks = 0; - init_timer(&hp->happy_timer); + timer_setup(&hp->happy_timer, happy_meal_timer, 0); hp->irq = pdev->irq; hp->dev = dev;diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c index 0b95105f7060..27fb22638885 100644 --- a/drivers/net/ethernet/sun/sunvnet.c +++ b/drivers/net/ethernet/sun/sunvnet.c@@ -492,8 +492,7 @@ static int vnet_port_probe(struct vio_dev *vdev, const struct vio_device_id *id) pr_info("%s: PORT ( remote-mac %pM%s )\n", vp->dev->name, port->raddr, switch_port ? " switch-port" : ""); - setup_timer(&port->clean_timer, sunvnet_clean_timer_expire_common, - (unsigned long)port); + timer_setup(&port->clean_timer, sunvnet_clean_timer_expire_common, 0); napi_enable(&port->napi); vio_port_up(&port->vio);diff --git a/drivers/net/ethernet/sun/sunvnet_common.c b/drivers/net/ethernet/sun/sunvnet_common.c index ecf456c7b6d1..8aa3ce46bb81 100644 --- a/drivers/net/ethernet/sun/sunvnet_common.c +++ b/drivers/net/ethernet/sun/sunvnet_common.c@@ -1040,9 +1040,9 @@ static inline void vnet_free_skbs(struct sk_buff *skb) } } -void sunvnet_clean_timer_expire_common(unsigned long port0) +void sunvnet_clean_timer_expire_common(struct timer_list *t) { - struct vnet_port *port = (struct vnet_port *)port0; + struct vnet_port *port = from_timer(port, t, clean_timer); struct sk_buff *freeskbs; unsigned pending;diff --git a/drivers/net/ethernet/sun/sunvnet_common.h b/drivers/net/ethernet/sun/sunvnet_common.h index b20d6fa7ef25..656673c31066 100644 --- a/drivers/net/ethernet/sun/sunvnet_common.h +++ b/drivers/net/ethernet/sun/sunvnet_common.h@@ -129,7 +129,7 @@ struct vnet { ((__port)->vsw ? (__port)->dev : (__port)->vp->dev) /* Common funcs */ -void sunvnet_clean_timer_expire_common(unsigned long port0); +void sunvnet_clean_timer_expire_common(struct timer_list *t); int sunvnet_open_common(struct net_device *dev); int sunvnet_close_common(struct net_device *dev); void sunvnet_set_rx_mode_common(struct net_device *dev, struct vnet *vp);