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path: root/drivers/misc/mei/bus.c
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Diffstat (limited to 'drivers/misc/mei/bus.c')
-rw-r--r--drivers/misc/mei/bus.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index 9ecd49a..4bc7d62 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -47,7 +47,7 @@ static int mei_cl_device_match(struct device *dev, struct device_driver *drv)
id = driver->id_table;
while (id->name[0]) {
- if (!strcmp(dev_name(dev), id->name))
+ if (!strncmp(dev_name(dev), id->name, sizeof(id->name)))
return 1;
id++;
@@ -71,7 +71,7 @@ static int mei_cl_device_probe(struct device *dev)
dev_dbg(dev, "Device probe\n");
- strncpy(id.name, dev_name(dev), MEI_CL_NAME_SIZE);
+ strncpy(id.name, dev_name(dev), sizeof(id.name));
return driver->probe(device, &id);
}
@@ -108,11 +108,13 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
}
+static DEVICE_ATTR_RO(modalias);
-static struct device_attribute mei_cl_dev_attrs[] = {
- __ATTR_RO(modalias),
- __ATTR_NULL,
+static struct attribute *mei_cl_dev_attrs[] = {
+ &dev_attr_modalias.attr,
+ NULL,
};
+ATTRIBUTE_GROUPS(mei_cl_dev);
static int mei_cl_uevent(struct device *dev, struct kobj_uevent_env *env)
{
@@ -124,7 +126,7 @@ static int mei_cl_uevent(struct device *dev, struct kobj_uevent_env *env)
static struct bus_type mei_cl_bus_type = {
.name = "mei",
- .dev_attrs = mei_cl_dev_attrs,
+ .dev_groups = mei_cl_dev_groups,
.match = mei_cl_device_match,
.probe = mei_cl_device_probe,
.remove = mei_cl_device_remove,
@@ -243,7 +245,7 @@ static int ___mei_cl_send(struct mei_cl *cl, u8 *buf, size_t length,
/* Check if we have an ME client device */
id = mei_me_cl_by_id(dev, cl->me_client_id);
if (id < 0)
- return -ENODEV;
+ return id;
if (length > dev->me_clients[id].props.max_msg_length)
return -EINVAL;
@@ -295,10 +297,13 @@ int __mei_cl_recv(struct mei_cl *cl, u8 *buf, size_t length)
if (cl->reading_state != MEI_READ_COMPLETE &&
!waitqueue_active(&cl->rx_wait)) {
+
mutex_unlock(&dev->device_lock);
if (wait_event_interruptible(cl->rx_wait,
- (MEI_READ_COMPLETE == cl->reading_state))) {
+ cl->reading_state == MEI_READ_COMPLETE ||
+ mei_cl_is_transitioning(cl))) {
+
if (signal_pending(current))
return -EINTR;
return -ERESTARTSYS;