TTY: tty_alloc_driver() returns error pointers
We changed these from alloc_tty_driver() to tty_alloc_driver() so the
error handling needs to modified to check for IS_ERR() instead of NULL.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index d9335ae..5db08c7 100644
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -2813,8 +2813,8 @@
serial_driver = tty_alloc_driver(MAX_DEVICE_COUNT,
TTY_DRIVER_REAL_RAW |
TTY_DRIVER_DYNAMIC_DEV);
- if (!serial_driver) {
- rc = -ENOMEM;
+ if (IS_ERR(serial_driver)) {
+ rc = PTR_ERR(serial_driver);
goto err;
}