Linux kernel for uConsole
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b601616681
There is a potential unnecessary refcount decrement on error path of put_device(&pb->mii_bus->dev), as it is possible to avoid the of_mdio_find_bus() call if mux_bus is specified by the calling function. The same put_device() is not called in the error path if the devm_kzalloc of pb fails. This caused the variable used in the put_device() to be changed, as the pb pointer was obviously not set up. There is an unnecessary of_node_get() on child_bus_node if the of_mdiobus_register() is successful, as the for_each_available_child_of_node() automatically increments this. Thus the refcount on this node will always be +1 more than it should be. There is no of_node_put() on child_bus_node if the of_mdiobus_register() call fails. Finally, it is lacking devm_kfree() of pb in the error path. While this might not be technically necessary, it was present in other parts of the function. So, I am adding it where necessary to make it uniform. Signed-off-by: Jon Mason <jon.mason@broadcom.com> Fixes: |
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.