netdev-offload-tc: Re-fetch block ID after probing.

It's possible that block_id could changes after the probe for block support. Therefore, fetch the block_id again after the probe. Fixes: edc2055 ("netdev-offload-tc: Flush rules on ingress block when init tc flow api") Cc: Dmytro Linkin <[email protected]> Acked-by: Roi Dayan <[email protected]> Co-authored-by: Marcelo Leitner <[email protected]> Signed-off-by: Marcelo Leitner <[email protected]> Signed-off-by: Aaron Conole <[email protected]> Signed-off-by: Ilya Maximets <[email protected]>
asdlei99 · May 16, 2020 · 8508a57 · 8508a57
1 parent 7a076a5
commit 8508a57
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/lib/netdev-offload-tc.c b/lib/netdev-offload-tc.c
@@ -1931,6 +1931,8 @@ netdev_tc_init_flow_api(struct netdev *netdev)
 
     if (ovsthread_once_start(&block_once)) {
         probe_tc_block_support(ifindex);
+        /* Need to re-fetch block id as it depends on feature availability. */
+        block_id = get_block_id_from_netdev(netdev);
         ovsthread_once_done(&block_once);
     }