diff options
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/dummy-irq.c | 6 | ||||
| -rw-r--r-- | drivers/misc/mei/bus.c | 2 | ||||
| -rw-r--r-- | drivers/misc/mei/main.c | 17 |
3 files changed, 15 insertions, 10 deletions
diff --git a/drivers/misc/dummy-irq.c b/drivers/misc/dummy-irq.c index 7014167e2c61..c37eeedfe215 100644 --- a/drivers/misc/dummy-irq.c +++ b/drivers/misc/dummy-irq.c @@ -19,7 +19,7 @@ #include <linux/irq.h> #include <linux/interrupt.h> -static int irq; +static int irq = -1; static irqreturn_t dummy_interrupt(int irq, void *dev_id) { @@ -36,6 +36,10 @@ static irqreturn_t dummy_interrupt(int irq, void *dev_id) static int __init dummy_irq_init(void) { + if (irq < 0) { + printk(KERN_ERR "dummy-irq: no IRQ given. Use irq=N\n"); + return -EIO; + } if (request_irq(irq, &dummy_interrupt, IRQF_SHARED, "dummy_irq", &irq)) { printk(KERN_ERR "dummy-irq: cannot register IRQ %d\n", irq); return -EIO; diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 1e935eacaa7f..9ecd49a7be1b 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -496,6 +496,8 @@ int mei_cl_disable_device(struct mei_cl_device *device) } } + device->event_cb = NULL; + mutex_unlock(&dev->device_lock); if (!device->ops || !device->ops->disable) diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index 7c44c8dbae42..053139f61086 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -489,11 +489,16 @@ static int mei_ioctl_connect_client(struct file *file, /* find ME client we're trying to connect to */ i = mei_me_cl_by_uuid(dev, &data->in_client_uuid); - if (i >= 0 && !dev->me_clients[i].props.fixed_address) { - cl->me_client_id = dev->me_clients[i].client_id; - cl->state = MEI_FILE_CONNECTING; + if (i < 0 || dev->me_clients[i].props.fixed_address) { + dev_dbg(&dev->pdev->dev, "Cannot connect to FW Client UUID = %pUl\n", + &data->in_client_uuid); + rets = -ENODEV; + goto end; } + cl->me_client_id = dev->me_clients[i].client_id; + cl->state = MEI_FILE_CONNECTING; + dev_dbg(&dev->pdev->dev, "Connect to FW Client ID = %d\n", cl->me_client_id); dev_dbg(&dev->pdev->dev, "FW Client - Protocol Version = %d\n", @@ -527,11 +532,6 @@ static int mei_ioctl_connect_client(struct file *file, goto end; } - if (cl->state != MEI_FILE_CONNECTING) { - rets = -ENODEV; - goto end; - } - /* prepare the output buffer */ client = &data->out_client_properties; @@ -543,7 +543,6 @@ static int mei_ioctl_connect_client(struct file *file, rets = mei_cl_connect(cl, file); end: - dev_dbg(&dev->pdev->dev, "free connect cb memory."); return rets; } |