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| /openbmc/linux/drivers/net/ |
| H A D | tun.c | diff 5c25f65fd1e42685f7ccd80e0621829c105785d9 Wed Oct 25 13:50:50 CDT 2017 Julien Gomes <julien@arista.com> tun: allow positive return values on dev_get_valid_name() call
If the name argument of dev_get_valid_name() contains "%d", it will try
to assign it a unit number in __dev__alloc_name() and return either the
unit number (>= 0) or an error code (< 0).
Considering positive values as error values prevent tun device creations
relying this mechanism, therefor we should only consider negative values
as errors here.
Signed-off-by: Julien Gomes <julien@arista.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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