Julian Wiedmann
0b3e622f8c
s390/qeth: fix initialization on old HW
...
commit 0b698c838e upstream.
I stumbled over an old OSA model that claims to support DIAG_ASSIST,
but then rejects the cmd to query its DIAG capabilities.
In the old code this was ok, as the returned raw error code was > 0.
Now that we translate the raw codes to errnos, the "rc < 0" causes us
to fail the initialization of the device.
The fix is trivial: don't bail out when the DIAG query fails. Such an
error is not critical, we can still use the device (with a slightly
reduced set of features).
Fixes: 742d4d4083 ("s390/qeth: convert remaining legacy cmd callbacks")
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com >
Signed-off-by: David S. Miller <davem@davemloft.net >
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org >
2020-01-17 19:48:27 +01:00
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