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The local variable child in the function st_dwc3_probe takes the return value of of_get_child_by_name, which gets a node and does not put it. If the function returns without releasing child, this could cause a memory error. Hence put child as soon as there is no more use for it. Also create a new label, err_node_put, just before label undo_softreset; so that err_node_put puts child. In between initialisation of child and its first put, modify all statements that go to undo_softreset to now go to err_node_put instead, from where they can fall through to undo_softreset. Issue found with Coccinelle. Reviewed-by: Patrice Chotard <patrice.chotard@st.com> Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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.