diff options
| author | Maciej Fijalkowski <maciej.fijalkowski@intel.com> | 2020-02-05 05:58:32 +0100 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2020-02-05 22:06:08 +0100 |
| commit | c77e9f09143822623dd71a0fdc84331129e97c3a (patch) | |
| tree | ad17a26e849fee488d9014f9a7e7f9ba2ce1cc1e | |
| parent | fc9e34f8de001c92e6cfc6481bb30a34dbda4f5c (diff) | |
i40e: Relax i40e_xsk_wakeup's return value when PF is busy
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: b3873a5be757 ("net/i40e: Fix concurrency issues between config flow and XSK")
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Björn Töpel <bjorn.topel@intel.com>
Link: https://lore.kernel.org/bpf/20200205045834.56795-2-maciej.fijalkowski@intel.com
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_xsk.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c b/drivers/net/ethernet/intel/i40e/i40e_xsk.c index 42058fad6a3c..0b7d29192b2c 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_xsk.c +++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.c @@ -791,7 +791,7 @@ int i40e_xsk_wakeup(struct net_device *dev, u32 queue_id, u32 flags) struct i40e_ring *ring; if (test_bit(__I40E_CONFIG_BUSY, pf->state)) - return -ENETDOWN; + return -EAGAIN; if (test_bit(__I40E_VSI_DOWN, vsi->state)) return -ENETDOWN; |