summaryrefslogtreecommitdiff
path: root/drivers/char/tty_io.c
diff options
context:
space:
mode:
authorJeff Garzik <jeff@garzik.org>2006-06-22 22:11:56 -0400
committerJeff Garzik <jeff@garzik.org>2006-06-22 22:11:56 -0400
commit71d530cd1b6d97094481002a04c77fea1c8e1c22 (patch)
treee786da7145d83c19a594adf76ed90d52c51058b1 /drivers/char/tty_io.c
parentd7a80dad2fe19a2b8c119c8e9cba605474a75a2b (diff)
parentd588fcbe5a7ba8bba2cebf7799ab2d573717a806 (diff)
Merge branch 'master' into upstream
Conflicts: drivers/scsi/libata-core.c drivers/scsi/libata-scsi.c include/linux/pci_ids.h
Diffstat (limited to 'drivers/char/tty_io.c')
-rw-r--r--drivers/char/tty_io.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index a88b94a82b14..8b2a59969868 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -2961,12 +2961,14 @@ static struct class *tty_class;
* This field is optional, if there is no known struct device for this
* tty device it can be set to NULL safely.
*
+ * Returns a pointer to the class device (or ERR_PTR(-EFOO) on error).
+ *
* This call is required to be made to register an individual tty device if
* the tty driver's flags have the TTY_DRIVER_NO_DEVFS bit set. If that
* bit is not set, this function should not be called.
*/
-void tty_register_device(struct tty_driver *driver, unsigned index,
- struct device *device)
+struct class_device *tty_register_device(struct tty_driver *driver,
+ unsigned index, struct device *device)
{
char name[64];
dev_t dev = MKDEV(driver->major, driver->minor_start) + index;
@@ -2974,7 +2976,7 @@ void tty_register_device(struct tty_driver *driver, unsigned index,
if (index >= driver->num) {
printk(KERN_ERR "Attempt to register invalid tty line number "
" (%d).\n", index);
- return;
+ return ERR_PTR(-EINVAL);
}
devfs_mk_cdev(dev, S_IFCHR | S_IRUSR | S_IWUSR,
@@ -2984,7 +2986,8 @@ void tty_register_device(struct tty_driver *driver, unsigned index,
pty_line_name(driver, index, name);
else
tty_line_name(driver, index, name);
- class_device_create(tty_class, NULL, dev, device, "%s", name);
+
+ return class_device_create(tty_class, NULL, dev, device, "%s", name);
}
/**