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s390: add barriers to qeth driver

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Add barrier to loop where atomic variable is evaluated.

Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: Ursula Braun <braunu@de.ibm.com>
Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Frank Blaschka 2007-07-12 12:51:35 +02:00 committed by Jeff Garzik
parent aa617aa956
commit 54ab2927d3
1 changed files with 1 additions and 0 deletions
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drivers/s390/net/qeth_main.c
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@ -1935,6 +1935,7 @@ qeth_send_control_data(struct qeth_card *card, int len,
atomic_inc(&reply->received);
wake_up(&reply->wait_q);
}
cpu_relax();
};
rc = reply->rc;
qeth_put_reply(reply);