From: Johan Hovold <johan@kernel.org>
To: Oliver Neukum <oneukum@suse.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org,
Daniel Caujolle-Bert <f1rmb.daniel@gmail.com>,
Johan Hovold <johan@kernel.org>
Subject: [PATCH 3/4] USB: cdc-acm: use common data-class define
Date: Mon, 21 Sep 2020 13:35:24 +0200 [thread overview]
Message-ID: <20200921113525.32187-4-johan@kernel.org> (raw)
In-Reply-To: <20200921113525.32187-1-johan@kernel.org>
Use the data-class define provided by USB core and drop the
driver-specific one.
Signed-off-by: Johan Hovold <johan@kernel.org>
---
drivers/usb/class/cdc-acm.c | 6 ++----
drivers/usb/class/cdc-acm.h | 2 --
2 files changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 5b1a1cd0168d..2758e295871e 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1287,10 +1287,8 @@ static int acm_probe(struct usb_interface *intf,
skip_normal_probe:
/*workaround for switched interfaces */
- if (data_interface->cur_altsetting->desc.bInterfaceClass
- != CDC_DATA_INTERFACE_TYPE) {
- if (control_interface->cur_altsetting->desc.bInterfaceClass
- == CDC_DATA_INTERFACE_TYPE) {
+ if (data_interface->cur_altsetting->desc.bInterfaceClass != USB_CLASS_CDC_DATA) {
+ if (control_interface->cur_altsetting->desc.bInterfaceClass == USB_CLASS_CDC_DATA) {
dev_dbg(&intf->dev,
"Your device has switched interfaces.\n");
swap(control_interface, data_interface);
diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index cd5e9d8ab237..b7174a0098a5 100644
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -131,8 +131,6 @@ struct acm {
unsigned long quirks;
};
-#define CDC_DATA_INTERFACE_TYPE 0x0a
-
/* constants describing various quirks and errors */
#define NO_UNION_NORMAL BIT(0)
#define SINGLE_RX_URB BIT(1)
--
2.26.2
next prev parent reply other threads:[~2020-09-21 11:36 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-21 11:35 [PATCH 0/4] USB: cdc-acm: handle broken union descriptors Johan Hovold
2020-09-21 11:35 ` [PATCH 1/4] Revert "cdc-acm: hardening against malicious devices" Johan Hovold
2020-09-21 11:35 ` [PATCH 2/4] USB: cdc-acm: handle broken union descriptors Johan Hovold
2020-09-21 11:35 ` Johan Hovold [this message]
2020-09-21 11:35 ` [RFC 4/4] USB: cdc-acm: clean up handling of quirky devices Johan Hovold
2020-09-21 11:53 ` Oliver Neukum
2020-09-21 12:15 ` Johan Hovold
2020-09-21 12:45 ` Oliver Neukum
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