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In i40e_vsi_add_vlan we treat attempting to add VID=0 as an error, because it does not do what the caller might expect. We already special case VID=0 in i40e_vlan_rx_add_vid so that we avoid this error when adding the VLAN. This special casing is necessary so that we do not add the VLAN=0 filter since we don't want to stop receiving untagged traffic. Unfortunately, not all callers of i40e_vsi_add_vlan are aware of this, including when we add VLANs from a VF device. Rather than special casing every single caller of i40e_vsi_add_vlan, lets just move this check internally. This makes the code simpler because the caller does not need to be aware of how VLAN=0 is special, and we don't forget to add this check in new places. This fixes a harmless error message displaying when adding a VLAN from within a VF. The message was meaningless but there is no reason to confuse end users and system administrators, and this is now avoided. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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.