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Prior to commitb3f55bdda8, the networking core doesn't wire an in-place actions list the when the low level driver is called to offload the flow, but all low level drivers do that (call tcf_exts_to_list()) in their offloading "add" logic. Now, the in-place list is set in the core which goes over the list in a loop, but also by the hw driver when their offloading code is invoked indirectly: cls_xxx add flow -> tc_setup_cb_call -> tc_exts_setup_cb_egdev_call -> hw driver which messes up the core list instance upon driver return. Fix that by avoiding in-place list on the net core code that deals with adding flows. Fixes:b3f55bdda8('net: sched: introduce per-egress action device callbacks') Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.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.