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authorLinus Walleij <linus.walleij@linaro.org>2019-09-05 11:40:54 +0200
committerLinus Walleij <linus.walleij@linaro.org>2019-09-05 11:40:54 +0200
commit151a41014bff92f353263cadc051435dc9c3258e (patch)
treeaa082a0745edd5b7051668f455dfc0ee1e4a9de0 /drivers/usb/class/cdc-acm.c
parentgpio: Fix up merge collision in include file (diff)
parentLinux 5.3-rc7 (diff)
downloadwireguard-linux-151a41014bff92f353263cadc051435dc9c3258e.tar.xz
wireguard-linux-151a41014bff92f353263cadc051435dc9c3258e.zip
Merge tag 'v5.3-rc7' into devel
Linux 5.3-rc7
Diffstat (limited to '')
-rw-r--r--drivers/usb/class/cdc-acm.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 183b41753c98..62f4fb9b362f 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1301,10 +1301,6 @@ made_compressed_probe:
tty_port_init(&acm->port);
acm->port.ops = &acm_port_ops;
- minor = acm_alloc_minor(acm);
- if (minor < 0)
- goto alloc_fail1;
-
ctrlsize = usb_endpoint_maxp(epctrl);
readsize = usb_endpoint_maxp(epread) *
(quirks == SINGLE_RX_URB ? 1 : 2);
@@ -1312,6 +1308,13 @@ made_compressed_probe:
acm->writesize = usb_endpoint_maxp(epwrite) * 20;
acm->control = control_interface;
acm->data = data_interface;
+
+ usb_get_intf(acm->control); /* undone in destruct() */
+
+ minor = acm_alloc_minor(acm);
+ if (minor < 0)
+ goto alloc_fail1;
+
acm->minor = minor;
acm->dev = usb_dev;
if (h.usb_cdc_acm_descriptor)
@@ -1458,7 +1461,6 @@ skip_countries:
usb_driver_claim_interface(&acm_driver, data_interface, acm);
usb_set_intfdata(data_interface, acm);
- usb_get_intf(control_interface);
tty_dev = tty_port_register_device(&acm->port, acm_tty_driver, minor,
&control_interface->dev);
if (IS_ERR(tty_dev)) {