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| author | Moritz Fischer <mdf@kernel.org> | 2019-09-03 19:35:07 -0700 |
|---|---|---|
| committer | Moritz Fischer <mdf@kernel.org> | 2019-09-03 19:35:07 -0700 |
| commit | af9ca4b0bd0502bb134f18d394a613be371d2352 (patch) | |
| tree | 37b1159d4456e223981dddde4795f2061c83d14c /drivers/usb/class/cdc-acm.c | |
| parent | cbb4a74478e9eef0f8ef437e95ef7645008988f7 (diff) | |
| parent | 99097a214b0c15f7595ac8f2788662f3941c1992 (diff) | |
| download | kernel_replicant_linux-af9ca4b0bd0502bb134f18d394a613be371d2352.tar.gz kernel_replicant_linux-af9ca4b0bd0502bb134f18d394a613be371d2352.tar.bz2 kernel_replicant_linux-af9ca4b0bd0502bb134f18d394a613be371d2352.zip | |
Merge branch 'char-misc-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc into fpga-dfl-for-5.4
Diffstat (limited to 'drivers/usb/class/cdc-acm.c')
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 12 |
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)) { |