From 59b34c1260045ca264c0208f2b666e839909e2d4 Mon Sep 17 00:00:00 2001 From: Yoichi Yuasa Date: Tue, 5 Jun 2007 22:55:06 +0900 Subject: [PATCH] add return value check of request_irq() This patch has added return value check of request_irq() to pcmcia net drivers. Signed-off-by: Yoichi Yuasa Signed-off-by: Jeff Garzik --- drivers/net/pcmcia/axnet_cs.c | 7 +++++-- drivers/net/pcmcia/pcnet_cs.c | 9 ++++++--- 2 files changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/net/pcmcia/axnet_cs.c b/drivers/net/pcmcia/axnet_cs.c index 808fae1577..50dff1b81d 100644 --- a/drivers/net/pcmcia/axnet_cs.c +++ b/drivers/net/pcmcia/axnet_cs.c @@ -521,6 +521,7 @@ static void mdio_write(kio_addr_t addr, int phy_id, int loc, int value) static int axnet_open(struct net_device *dev) { + int ret; axnet_dev_t *info = PRIV(dev); struct pcmcia_device *link = info->p_dev; @@ -529,9 +530,11 @@ static int axnet_open(struct net_device *dev) if (!pcmcia_dev_present(link)) return -ENODEV; - link->open++; + ret = request_irq(dev->irq, ei_irq_wrapper, IRQF_SHARED, "axnet_cs", dev); + if (ret) + return ret; - request_irq(dev->irq, ei_irq_wrapper, IRQF_SHARED, "axnet_cs", dev); + link->open++; info->link_status = 0x00; init_timer(&info->watchdog); diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c index 61f7a4f3ee..f2613c29b0 100644 --- a/drivers/net/pcmcia/pcnet_cs.c +++ b/drivers/net/pcmcia/pcnet_cs.c @@ -960,6 +960,7 @@ static void mii_phy_probe(struct net_device *dev) static int pcnet_open(struct net_device *dev) { + int ret; pcnet_dev_t *info = PRIV(dev); struct pcmcia_device *link = info->p_dev; @@ -968,10 +969,12 @@ static int pcnet_open(struct net_device *dev) if (!pcmcia_dev_present(link)) return -ENODEV; - link->open++; - set_misc_reg(dev); - request_irq(dev->irq, ei_irq_wrapper, IRQF_SHARED, dev_info, dev); + ret = request_irq(dev->irq, ei_irq_wrapper, IRQF_SHARED, dev_info, dev); + if (ret) + return ret; + + link->open++; info->phy_id = info->eth_phy; info->link_status = 0x00; -- 2.39.5