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esp: Fix error handling on layer 2 xmit. 

esp_output_tail() and esp6_output_tail() can return negative
and positive error values. We currently treat only negative
values as errors, fix this to treat both cases as error.

Fixes: fca11ebde3 ("esp4: Reorganize esp_output")
Fixes: 383d0350f2 ("esp6: Reorganize esp_output")
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Steffen Klassert 2017-08-07 08:31:07 +02:00
parent 7bab09631c
commit 4ff0308f06
2 changed files with 2 additions and 2 deletions
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2
net/ipv4/esp4_offload.c
View File

@ -257,7 +257,7 @@ static int esp_xmit(struct xfrm_state *x, struct sk_buff *skb, netdev_features_
esp.seqno = cpu_to_be64(xo->seq.low + ((u64)xo->seq.hi << 32));
err = esp_output_tail(x, skb, &esp);
if (err < 0)
if (err)
return err;
secpath_reset(skb);

2
net/ipv6/esp6_offload.c
View File

@ -286,7 +286,7 @@ static int esp6_xmit(struct xfrm_state *x, struct sk_buff *skb, netdev_features
esp.seqno = cpu_to_be64(xo->seq.low + ((u64)xo->seq.hi << 32));
err = esp6_output_tail(x, skb, &esp);
if (err < 0)
if (err)
return err;
secpath_reset(skb);