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crypto: qat - fix duplicate restarting msg during AER error

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The restarting message from PF to VF is sent twice during AER error
handling: once from adf_error_detected() and again from
adf_disable_sriov().
This causes userspace subservices to shutdown unexpectedly when they
receive a duplicate restarting message after already being restarted.

Avoid calling adf_pf2vf_notify_restarting() and
adf_pf2vf_wait_for_restarting_complete() from adf_error_detected() so
that the restarting msg is sent only once from PF to VF.

Fixes: 9567d3dc760931 ("crypto: qat - improve aer error reset handling")
Signed-off-by: Harshita Bhilwaria <harshita.bhilwaria@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Ahsan Atta <ahsan.atta@intel.com>
Reviewed-by: Ravikumar PM <ravikumar.pm@intel.com>
Reviewed-by: Srikanth Thokala <srikanth.thokala@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Harshita Bhilwaria 2025-12-17 11:16:06 +05:30 committed by Herbert Xu
parent b74fd80d7f
commit 961ac9d97b
1 changed files with 0 additions and 2 deletions
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2
drivers/crypto/intel/qat/qat_common/adf_aer.c
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@ -41,8 +41,6 @@ static pci_ers_result_t adf_error_detected(struct pci_dev *pdev,
adf_error_notifier(accel_dev); adf_error_notifier(accel_dev);
adf_pf2vf_notify_fatal_error(accel_dev); adf_pf2vf_notify_fatal_error(accel_dev);
adf_dev_restarting_notify(accel_dev); adf_dev_restarting_notify(accel_dev);
adf_pf2vf_notify_restarting(accel_dev);
adf_pf2vf_wait_for_restarting_complete(accel_dev);
pci_clear_master(pdev); pci_clear_master(pdev);
adf_dev_down(accel_dev); adf_dev_down(accel_dev);