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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/joydev.c
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@ -170,6 +170,7 @@ static int joydev_open(struct inode *inode, struct file *file)
struct joydev_client *client;
struct joydev *joydev;
int i = iminor(inode) - JOYDEV_MINOR_BASE;
int error;
if (i >= JOYDEV_MINORS)
return -ENODEV;
@ -185,8 +186,14 @@ static int joydev_open(struct inode *inode, struct file *file)
client->joydev = joydev;
list_add_tail(&client->node, &joydev->client_list);
if (!joydev->open++ && joydev->exist)
input_open_device(&joydev->handle);
if (!joydev->open++ && joydev->exist) {
error = input_open_device(&joydev->handle);
if (error) {
list_del(&client->node);
kfree(client);
return error;
}
}
file->private_data = client;
return 0;