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Input: handlers - handle errors from input_open_device()

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Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov 2007-04-12 01:30:15 -04:00
parent d0ffb9be86
commit d542ed82fd
4 changed files with 107 additions and 40 deletions
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11
drivers/input/evdev.c
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@ -130,6 +130,7 @@ static int evdev_open(struct inode *inode, struct file *file)
struct evdev_client *client;
struct evdev *evdev;
int i = iminor(inode) - EVDEV_MINOR_BASE;
int error;
if (i >= EVDEV_MINORS)
return -ENODEV;
@ -146,8 +147,14 @@ static int evdev_open(struct inode *inode, struct file *file)
client->evdev = evdev;
list_add_tail(&client->node, &evdev->client_list);
if (!evdev->open++ && evdev->exist)
input_open_device(&evdev->handle);
if (!evdev->open++ && evdev->exist) {
error = input_open_device(&evdev->handle);
if (error) {
list_del(&client->node);
kfree(client);
return error;
}
}
file->private_data = client;
return 0;