The only caller of get_gadget_descs() has already dereferenced udc
before calling this function, so udc can not be NULL at this point of
the code and hence no use of checking it.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Reviewed-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
One line above we have checked that udc is NULL so we shouldn't
dereference it while printing error message.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We read a struct usb_device_descriptor from it, so make it an actual
binary attribute.
Signed-off-by: Igor Kotrasinski <i.kotrasinsk@gmail.com>
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Tested-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add sysfs attributes to allow controlling vudc from usbip tools.
dev_desc - device descriptor of current gadget. This is required to
be consisten with current usbip protocol and allow to list
exportable devices on given machine.
usbip_sockfd - allows to pass socket to kernel to start usbip transfer.
usbip_status - currnent status of device
This commit is a result of cooperation between Samsung R&D Institute
Poland and Open Operating Systems Student Society at University
of Warsaw (O2S3@UW) consisting of:
Igor Kotrasinski <ikotrasinsk@gmail.com>
Karol Kosik <karo9@interia.eu>
Ewelina Kosmider <3w3lfin@gmail.com>
Dawid Lazarczyk <lazarczyk.dawid@gmail.com>
Piotr Szulc <ps347277@students.mimuw.edu.pl>
Tutor and project owner:
Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Igor Kotrasinski <i.kotrasinsk@samsung.com>
Signed-off-by: Karol Kosik <karo9@interia.eu>
[Various bug fixes, improvements and commit msg update]
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
