[PATCH net 2/2] caif: Remove bad WARN_ON in caif_dev
From: Sjur Brændeland <hidden>
Date: 2012-01-17 13:03:30
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Remove WARN_ON and bad handling of SKB without destructor callback in caif_flow_cb. SKB without destructor cannot be handled as an error case. Signed-off-by: Sjur Brændeland <redacted> --- net/caif/caif_dev.c | 16 +++++++++------- 1 files changed, 9 insertions(+), 7 deletions(-)
diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c
index 61570ee..673728a 100644
--- a/net/caif/caif_dev.c
+++ b/net/caif/caif_dev.c@@ -146,15 +146,17 @@ void caif_flow_cb(struct sk_buff *skb) spin_lock_bh(&caifd->flow_lock); send_xoff = caifd->xoff; caifd->xoff = 0; - if (!WARN_ON(caifd->xoff_skb_dtor == NULL)) { - WARN_ON(caifd->xoff_skb != skb); - dtor = caifd->xoff_skb_dtor; - caifd->xoff_skb = NULL; - caifd->xoff_skb_dtor = NULL; - } + dtor = caifd->xoff_skb_dtor; + + if (WARN_ON(caifd->xoff_skb != skb)) + skb = NULL; + + caifd->xoff_skb = NULL; + caifd->xoff_skb_dtor = NULL; + spin_unlock_bh(&caifd->flow_lock); - if (dtor) + if (dtor && skb) dtor(skb); if (send_xoff)
--
1.7.1