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fb52c3b597
USB fast connect/disconnect crash fix When USB plugged/unplugged at fast rate, lan78xx_mdio_init() in lan78xx_bind() failing case is not handled. Whenever lan78xx_mdio_init() failed, dev->mdiobus will be freed, however since lan78xx_bind() not consider as error and try to proceed for further initialization in lan78xx_probe() which leads system hung/crash. Also when register_netdev() failed, netdev is freed without calling lan78xx_unbind(). Hence halting the failed cases right manner fixes the system crash/hung issue. Signed-off-by: Nisar Sayed <Nisar.Sayed@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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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.