diff mbox

[net,1/2] net: cls_u32: catch all hardware offload errors

Message ID 1465413064-32196-2-git-send-email-jakub.kicinski@netronome.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Jakub Kicinski June 8, 2016, 7:11 p.m. UTC 
Errors reported by u32_replace_hw_hnode() were not propagated.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
---
 net/sched/cls_u32.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index 27b99fd774d7..54ab32a8ff4c 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -922,11 +922,17 @@  static int u32_change(struct net *net, struct sk_buff *in_skb,
 		ht->divisor = divisor;
 		ht->handle = handle;
 		ht->prio = tp->prio;
+
+		err = u32_replace_hw_hnode(tp, ht, flags);
+		if (err) {
+			kfree(ht);
+			return err;
+		}
+
 		RCU_INIT_POINTER(ht->next, tp_c->hlist);
 		rcu_assign_pointer(tp_c->hlist, ht);
 		*arg = (unsigned long)ht;
 
-		u32_replace_hw_hnode(tp, ht, flags);
 		return 0;
 	}