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qemu-option: Make qemu_opts_foreach() accumulate return values 

Return the bitwise inclusive or of all return values instead of the
last call's value.  This lets you find out whether any of the calls
returned a non-zero value.

No functional change, as existing users either don't care for the
value, or pass non-zero abort_on_failure, which breaks the loop on the
first non-zero return value.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Markus Armbruster 2010-01-29 19:48:56 +01:00 committed by Anthony Liguori
parent f34e568853
commit 4a2594ddd3
1 changed files with 1 additions and 1 deletions
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2
qemu-option.c
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@ -814,7 +814,7 @@ int qemu_opts_foreach(QemuOptsList *list, qemu_opts_loopfunc func, void *opaque,
int rc = 0;
QTAILQ_FOREACH(opts, &list->head, next) {
rc = func(opts, opaque);
rc |= func(opts, opaque);
if (abort_on_failure && rc != 0)
break;
}