s390/qeth: remove various redundant code

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1. tracing iob->rc makes no sense when it hasn't been modified by the
   callback,
2. the qeth_dbf_list is declared with LIST_HEAD, which also initializes
   the list,
3. the ccwgroup core only calls the thaw/restore callbacks if the gdev
   is online, so we don't have to check for it again.

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 18:29:12 +02:00 • committed by David S. Miller

parent 8d908eb045

commit 6585ac4e5d

3 changed files with 2 additions and 15 deletions

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7

drivers/s390/net/qeth_core_main.c

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5

drivers/s390/net/qeth_l2_main.c

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5

drivers/s390/net/qeth_l3_main.c

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