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l2tp: don't mask errors in pppol2tp_setsockopt() 

pppol2tp_setsockopt() unconditionally overwrites the error value
returned by pppol2tp_tunnel_setsockopt() or
pppol2tp_session_setsockopt(), thus hiding errors from userspace.

Fixes: fd558d186d ("l2tp: Split pppol2tp patch into separate l2tp and ppp parts")
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Guillaume Nault 2017-04-06 18:31:20 +02:00 committed by David S. Miller
parent cc663f4d4c
commit 364700cf8f
1 changed files with 0 additions and 2 deletions
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2
net/l2tp/l2tp_ppp.c
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@ -1383,8 +1383,6 @@ static int pppol2tp_setsockopt(struct socket *sock, int level, int optname,
} else
err = pppol2tp_session_setsockopt(sk, session, optname, val);
err = 0;
end_put_sess:
sock_put(sk);
end: