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tipc: send explicit not supported error in nl compat 

The legacy netlink API treated EPERM (permission denied) as
"operation not supported".

Reported-by: Tomi Ollila <tomi.ollila@iki.fi>
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Richard Alpe 2015-05-06 13:58:56 +02:00 committed by David S. Miller
parent 670f4f8818
commit b063bc5ea7
1 changed files with 1 additions and 1 deletions
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2
net/tipc/netlink_compat.c
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@ -1121,7 +1121,7 @@ static int tipc_nl_compat_recv(struct sk_buff *skb, struct genl_info *info)
}
err = tipc_nl_compat_handle(&msg);
if (err == -EOPNOTSUPP)
if ((err == -EOPNOTSUPP) || (err == -EPERM))
msg.rep = tipc_get_err_tlv(TIPC_CFG_NOT_SUPPORTED);
else if (err == -EINVAL)
msg.rep = tipc_get_err_tlv(TIPC_CFG_TLV_ERROR);