e2148aa00
author Heiko Carstens <heiko.carstens@de.ibm.com> 1158760731 +0200
committer Martin Schwidefsky <schwidefsky@de.ibm.com> 1158760731 +0200

[S390] empty function defines.

Use do { } while (0) constructs instead of empty defines to avoid
subtle compile bugs.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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