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In the last patchda36e13cf6("ipvlan: improvise dev_id generation logic in IPvlan") I missed some part of Dave's suggestion and because of that the dev_id creation could fail in a corner case scenario. This would happen when more or less 64k devices have been already created and several have been deleted. If the devices that are still sticking around are the last n bits from the bitmap. So in this scenario even if lower bits are available, the dev_id search is so narrow that it always fails. Fixes:da36e13cf6("ipvlan: improvise dev_id generation logic in IPvlan") CC: David Miller <davem@davemloft.org> CC: Eric Dumazet <edumazet@google.com> Signed-off-by: Mahesh Bandewar <maheshb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.