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mei: use mei_cl_is_connected consistently

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Replace open coded check for cl->state !=/== MEI_FILE_CONNECTED
with mei_cl_is_connected function.

Note that cl->state != MEI_FILE_CONNECTED is not the same
as cl->state == MEI_FILE_DISCONNECTED

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tomas Winkler 2015-03-27 00:27:58 +02:00 committed by Greg Kroah-Hartman
parent 1d9013f092
commit f3de9b635d
5 changed files with 22 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/misc/mei/bus.c
View File

@ -238,7 +238,7 @@ static ssize_t ___mei_cl_send(struct mei_cl *cl, u8 *buf, size_t length,
dev = cl->dev;
mutex_lock(&dev->device_lock);
if (cl->state != MEI_FILE_CONNECTED) {
if (!mei_cl_is_connected(cl)) {
rets = -ENODEV;
goto out;
}
@ -474,7 +474,7 @@ int mei_cl_disable_device(struct mei_cl_device *device)
mutex_lock(&dev->device_lock);
if (cl->state != MEI_FILE_CONNECTED) {
if (!mei_cl_is_connected(cl)) {
dev_err(dev->dev, "Already disconnected");
err = 0;
goto out;

2
drivers/misc/mei/client.c
View File

@ -876,7 +876,7 @@ int mei_cl_connect(struct mei_cl *cl, struct file *file)
mei_secs_to_jiffies(MEI_CL_CONNECT_TIMEOUT));
mutex_lock(&dev->device_lock);
if (cl->state != MEI_FILE_CONNECTED) {
if (!mei_cl_is_connected(cl)) {
cl->state = MEI_FILE_DISCONNECTED;
/* something went really wrong */
if (!cl->status)

2
drivers/misc/mei/interrupt.c
View File

@ -110,7 +110,7 @@ int mei_cl_irq_read_msg(struct mei_cl *cl,
goto out;
}
if (cl->state != MEI_FILE_CONNECTED) {
if (!mei_cl_is_connected(cl)) {
cl_dbg(dev, cl, "not connected\n");
cb->status = -ENODEV;
goto out;

13
drivers/misc/mei/main.c
View File

@ -107,7 +107,7 @@ static int mei_release(struct inode *inode, struct file *file)
rets = mei_amthif_release(dev, file);
goto out;
}
if (cl->state == MEI_FILE_CONNECTED) {
if (mei_cl_is_connected(cl)) {
cl->state = MEI_FILE_DISCONNECTING;
cl_dbg(dev, cl, "disconnecting\n");
rets = mei_cl_disconnect(cl);
@ -309,9 +309,8 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf,
goto out;
}
if (cl->state != MEI_FILE_CONNECTED) {
dev_err(dev->dev, "host client = %d, is not connected to ME client = %d",
cl->host_client_id, cl->me_client_id);
if (!mei_cl_is_connected(cl)) {
cl_err(dev, cl, "is not connected");
rets = -ENODEV;
goto out;
}
@ -418,7 +417,7 @@ static int mei_ioctl_connect_client(struct file *file,
*/
if (uuid_le_cmp(data->in_client_uuid, mei_amthif_guid) == 0) {
dev_dbg(dev->dev, "FW Client is amthi\n");
if (dev->iamthif_cl.state != MEI_FILE_CONNECTED) {
if (!mei_cl_is_connected(&dev->iamthif_cl)) {
rets = -ENODEV;
goto end;
}
@ -554,7 +553,9 @@ static unsigned int mei_poll(struct file *file, poll_table *wait)
mutex_lock(&dev->device_lock);
if (!mei_cl_is_connected(cl)) {
if (dev->dev_state != MEI_DEV_ENABLED ||
!mei_cl_is_connected(cl)) {
mask = POLLERR;
goto out;
}

18
drivers/misc/mei/wd.c
View File

@ -160,9 +160,10 @@ int mei_wd_send(struct mei_device *dev)
*/
int mei_wd_stop(struct mei_device *dev)
{
struct mei_cl *cl = &dev->wd_cl;
int ret;
if (dev->wd_cl.state != MEI_FILE_CONNECTED ||
if (!mei_cl_is_connected(cl) ||
dev->wd_state != MEI_WD_RUNNING)
return 0;
@ -170,7 +171,7 @@ int mei_wd_stop(struct mei_device *dev)
dev->wd_state = MEI_WD_STOPPING;
ret = mei_cl_flow_ctrl_creds(&dev->wd_cl);
ret = mei_cl_flow_ctrl_creds(cl);
if (ret < 0)
goto err;
@ -211,13 +212,16 @@ int mei_wd_stop(struct mei_device *dev)
*/
static int mei_wd_ops_start(struct watchdog_device *wd_dev)
{
int err = -ENODEV;
struct mei_device *dev;
struct mei_cl *cl;
int err = -ENODEV;
dev = watchdog_get_drvdata(wd_dev);
if (!dev)
return -ENODEV;
cl = &dev->wd_cl;
mutex_lock(&dev->device_lock);
if (dev->dev_state != MEI_DEV_ENABLED) {
@ -226,8 +230,8 @@ static int mei_wd_ops_start(struct watchdog_device *wd_dev)
goto end_unlock;
}
if (dev->wd_cl.state != MEI_FILE_CONNECTED) {
dev_dbg(dev->dev, "MEI Driver is not connected to Watchdog Client\n");
if (!mei_cl_is_connected(cl)) {
cl_dbg(dev, cl, "MEI Driver is not connected to Watchdog Client\n");
goto end_unlock;
}
@ -282,8 +286,8 @@ static int mei_wd_ops_ping(struct watchdog_device *wd_dev)
mutex_lock(&dev->device_lock);
if (cl->state != MEI_FILE_CONNECTED) {
dev_err(dev->dev, "wd: not connected.\n");
if (!mei_cl_is_connected(cl)) {
cl_err(dev, cl, "wd: not connected.\n");
ret = -ENODEV;
goto end;
}