diff options
| author | Sukadev Bhattiprolu <sukadev@linux.ibm.com> | 2022-02-21 15:05:45 -0600 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-02-22 17:06:27 -0800 |
| commit | 277f2bb14361790a70e4b3c649e794b75a91a597 (patch) | |
| tree | 546212ed964d54b3238cfe4c02feae3318bb5716 | |
| parent | 342b6419193c6f697fd47d9c72fcff9cafc70687 (diff) | |
| download | linux-277f2bb14361790a70e4b3c649e794b75a91a597.tar.bz2 | |
ibmvnic: schedule failover only if vioctl fails
If client is unable to initiate a failover reset via H_VIOCTL hcall, then
it should schedule a failover reset as a last resort. Otherwise, there is
no need to do a last resort.
Fixes: 334c42414729 ("ibmvnic: improve failover sysfs entry")
Reported-by: Cris Forno <cforno12@outlook.com>
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.ibm.com>
Signed-off-by: Dany Madden <drt@linux.ibm.com>
Link: https://lore.kernel.org/r/20220221210545.115283-1-drt@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/ibm/ibmvnic.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 29617a86b299..dee05a353dbd 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -5917,10 +5917,14 @@ static ssize_t failover_store(struct device *dev, struct device_attribute *attr, be64_to_cpu(session_token)); rc = plpar_hcall_norets(H_VIOCTL, adapter->vdev->unit_address, H_SESSION_ERR_DETECTED, session_token, 0, 0); - if (rc) + if (rc) { netdev_err(netdev, "H_VIOCTL initiated failover failed, rc %ld\n", rc); + goto last_resort; + } + + return count; last_resort: netdev_dbg(netdev, "Trying to send CRQ_CMD, the last resort\n"); |