s390/qeth: use DEFINE_MUTEX for qeth_mod_mutex

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Consolidate declaration and initialization of a static variable.
While at it reduce its scope in qeth_core_load_discipline(), and simplify
the return logic accordingly.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Julian Wiedmann 2018-09-26 18:29:03 +02:00 • committed by David S. Miller

parent 4fda335476

commit a70fee3b0f

1 changed files with 6 additions and 7 deletions

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drivers/s390/net/qeth_core_main.c

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