Xie He a4595395a9 net: hdlc_x25: Return meaningful error code in x25_open
[ Upstream commit 81b8be68ef8e8915d0cc6cedd2ac425c74a24813 ]

It's not meaningful to pass on LAPB error codes to HDLC code or other
parts of the system, because they will not understand the error codes.

Instead, use system-wide recognizable error codes.

Fixes: f362e5fe0f1f ("wan/hdlc_x25: make lapb params configurable")
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Xie He <xie.he.0141@gmail.com>
Acked-by: Martin Schiller <ms@dev.tdt.de>
Link: https://lore.kernel.org/r/20210203071541.86138-1-xie.he.0141@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-02-17 11:02:26 +01:00
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