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  • drivers
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  • i40e
  • i40e_xsk.c
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  • Maciej Fijalkowski's avatar
    i40e: Relax i40e_xsk_wakeup's return value when PF is busy · c77e9f09
    Maciej Fijalkowski authored Feb 05, 2020
    Return -EAGAIN instead of -ENETDOWN to provide a slightly milder
    information to user space so that an application will know to retry the
    syscall when __I40E_CONFIG_BUSY bit is set on pf->state.
    
    Fixes: b3873a5b
    
     ("net/i40e: Fix concurrency issues between config flow and XSK")
    Signed-off-by: default avatarMaciej Fijalkowski <maciej.fijalkowski@intel.com>
    Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
    Acked-by: default avatarBjörn Töpel <bjorn.topel@intel.com>
    Link: https://lore.kernel.org/bpf/20200205045834.56795-2-maciej.fijalkowski@intel.com
    c77e9f09