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[net-next] Revert "net: sched: fw: don't set arg->stop in fw_walk() when empty"

Message ID 20190227134917.18474-1-vladbu@mellanox.com
State Accepted
Delegated to: David Miller
Headers show
Series [net-next] Revert "net: sched: fw: don't set arg->stop in fw_walk() when empty" | expand

Commit Message

Vlad Buslov Feb. 27, 2019, 1:49 p.m. UTC
This reverts commit 31a998487641 ("net: sched: fw: don't set arg->stop in
fw_walk() when empty")

Cls API function tcf_proto_is_empty() was changed in commit
6676d5e416ee ("net: sched: set dedicated tcf_walker flag when tp is empty")
to no longer depend on arg->stop to determine that classifier instance is
empty. Instead, it adds dedicated arg->nonempty field, which makes the fix
in fw classifier no longer necessary.

Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
---
 net/sched/cls_fw.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
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Patch

diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c
index 456ee6e62dfa..ad036b00427d 100644
--- a/net/sched/cls_fw.c
+++ b/net/sched/cls_fw.c
@@ -363,7 +363,10 @@  static void fw_walk(struct tcf_proto *tp, struct tcf_walker *arg,
 	struct fw_head *head = rtnl_dereference(tp->root);
 	int h;
 
-	if (head == NULL || arg->stop)
+	if (head == NULL)
+		arg->stop = 1;
+
+	if (arg->stop)
 		return;
 
 	for (h = 0; h < HTSIZE; h++) {