Hello.
On 7/29/2015 11:16 AM, Stefan Koch wrote:
Interfaces are allowed per default.
This can disabled or enabled (again) by writing 0 or 1 to
/sys/bus/usb/devices/usbX/interface_authorized_default
Signed-off-by: Stefan Koch <[email protected]>
---
drivers/usb/core/hcd.c | 47 ++++++++++++++++++++++++++++++++++++++++++++++
drivers/usb/core/message.c | 1 +
include/linux/usb/hcd.h | 3 +++
3 files changed, 51 insertions(+)
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index cbcd092..4f5ba47 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -882,9 +882,53 @@ static ssize_t authorized_default_store(struct device *dev,
[...]
+/*
+ * interface_authorized_default_store - store default authorization status
+ * for USB interfaces
+ *
+ * note: interface_auhorized_default is the default value
Authorized.
+ * for initializing the authorized attribute of interfaces
+ */
+static ssize_t interface_authorized_default_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct usb_device *usb_dev = to_usb_device(dev);
+ struct usb_hcd *hcd = bus_to_hcd(usb_dev->bus);
+ int rc = count;
+ bool val;
+
+ if (strtobool(buf, &val) != 0)
+ return -EINVAL;
+
+ if(val)
Space is needed between *if* and paren. Please run your patches thru
scripts/checkpatch.pl before submitting.
[...]
MBR, Sergei
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