commit 9abbffee861c6c56fce27e4eda96a10cf0de0f84
tree 2b5e1e86913daa2bb11ca142f309485a25288510
parent dc9b334622bff6d22456917a034c2e2d194b9328
author Masahide NAKAMURA <[EMAIL PROTECTED]> 1164429291 -0800
committer David S. Miller <[EMAIL PROTECTED]> 1164496612 -0800
[XFRM] STATE: Fix to respond error to get operation if no matching entry exists.
When application uses XFRM_MSG_GETSA to get state entry through
netlink socket and kernel has no matching one, the application expects
reply message with error status by kernel.
Kernel doesn't send the message back in the case of Mobile IPv6 route
optimization protocols (i.e. routing header or destination options
header). This is caused by incorrect return code "0" from
net/xfrm/xfrm_user.c(xfrm_user_state_lookup) and it makes kernel skip
to acknowledge at net/netlink/af_netlink.c(netlink_rcv_skb).
This patch fix to reply ESRCH to application.
Signed-off-by: Masahide NAKAMURA <[EMAIL PROTECTED]>
Signed-off-by: TAKAMIYA Noriaki <[EMAIL PROTECTED]>
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
net/xfrm/xfrm_user.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index c4cde57..2ee14f8 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -495,6 +495,7 @@ static struct xfrm_state *xfrm_user_stat
goto out;
}
+ err = -ESRCH;
x = xfrm_state_lookup_byaddr(&p->daddr, saddr, p->proto,
p->family);
}
-
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