6.9-stable review patch. If anyone has any objections, please let me know.
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From: Aleksandr Loktionov aleksandr.loktionov@intel.com
[ Upstream commit 8b9b59e27aa88ba133fbac85def3f8be67f2d5a8 ]
Remove wrong EIO to EGAIN conversion and pass all errors as is.
After commit 230f3d53a547 ("i40e: remove i40e_status"), which should only replace F/W specific error codes with Linux kernel generic, all EIO errors suddenly started to be converted into EAGAIN which leads nvmupdate to retry until it timeouts and sometimes fails after more than 20 minutes in the middle of NVM update, so NVM becomes corrupted.
The bug affects users only at the time when they try to update NVM, and only F/W versions that generate errors while nvmupdate. For example, X710DA2 with 0x8000ECB7 F/W is affected, but there are probably more...
Command for reproduction is just NVM update: ./nvmupdate64
In the log instead of: i40e_nvmupd_exec_aq err I40E_ERR_ADMIN_QUEUE_ERROR aq_err I40E_AQ_RC_ENOMEM) appears: i40e_nvmupd_exec_aq err -EIO aq_err I40E_AQ_RC_ENOMEM i40e: eeprom check failed (-5), Tx/Rx traffic disabled
The problematic code did silently convert EIO into EAGAIN which forced nvmupdate to ignore EAGAIN error and retry the same operation until timeout. That's why NVM update takes 20+ minutes to finish with the fail in the end.
Fixes: 230f3d53a547 ("i40e: remove i40e_status") Co-developed-by: Kelvin Kang kelvin.kang@intel.com Signed-off-by: Kelvin Kang kelvin.kang@intel.com Reviewed-by: Arkadiusz Kubalewski arkadiusz.kubalewski@intel.com Signed-off-by: Aleksandr Loktionov aleksandr.loktionov@intel.com Reviewed-by: Przemek Kitszel przemyslaw.kitszel@intel.com Tested-by: Tony Brelinski tony.brelinski@intel.com Signed-off-by: Tony Nguyen anthony.l.nguyen@intel.com Reviewed-by: Jacob Keller jacob.e.keller@intel.com Link: https://patch.msgid.link/20240710224455.188502-1-anthony.l.nguyen@intel.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/intel/i40e/i40e_adminq.h | 4 ---- 1 file changed, 4 deletions(-)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.h b/drivers/net/ethernet/intel/i40e/i40e_adminq.h index ee86d2c53079e..55b5bb884d736 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq.h +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.h @@ -109,10 +109,6 @@ static inline int i40e_aq_rc_to_posix(int aq_ret, int aq_rc) -EFBIG, /* I40E_AQ_RC_EFBIG */ };
- /* aq_rc is invalid if AQ timed out */ - if (aq_ret == -EIO) - return -EAGAIN; - if (!((u32)aq_rc < (sizeof(aq_to_posix) / sizeof((aq_to_posix)[0])))) return -ERANGE;