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fa4a8dcfd5
The usb_add_gadget_udc will add a new gadget to the udc class
driver list. Not calling usb_del_gadget_udc in error branch
will result in residual gadget entry in the udc driver list.
We fix it by calling usb_del_gadget_udc to clean it when error
return.
Fixes: 48ba02b2e2 ("usb: gadget: add udc driver for max3420")
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20210727073142.84666-1-zhangqilong3@huawei.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.