On 03/19/2014 10:07 PM, Zoltan Kiss wrote:
skb_zerocopy can copy elements of the frags array between skbs, but it doesn't
orphan them. Also, it doesn't handle errors, so this patch takes care of that
as well.
Signed-off-by: Zoltan Kiss <[email protected]>
Acked-by: Thomas Graf <[email protected]>
---
+ if (unlikely(skb_orphan_frags(to, GFP_ATOMIC))) {
+ skb_tx_error(to);
+ return -ENOMEM;
+ }
Did you consider calling skb_tx_error() for Netlink message
allocation failures for the upcall as well? That memory pressure
is currently not reported back.
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