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Use error_is_set() only when necessary (again)

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error_is_set(&var) is the same as var != NULL, but it takes
whole-program analysis to figure that out.  Unnecessarily hard for
optimizers, static checkers, and human readers.  Commit 84d18f0 dumbed
it down to obvious, but a few more have crept in since, and
documentation was overlooked.  Dumb these down, too.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Markus Armbruster 2014-04-25 16:50:31 +02:00 • committed by Stefan Hajnoczi
parent a28315ebaf
commit 0fb6395c0c
6 changed files with 12 additions and 12 deletions
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2
block.c
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@ -864,7 +864,7 @@ static int bdrv_open_common(BlockDriverState *bs, BlockDriverState *file,
node_name = qdict_get_try_str(options, "node-name");
bdrv_assign_node_name(bs, node_name, &local_err);
if (error_is_set(&local_err)) {
if (local_err) {
error_propagate(errp, local_err);
return -EINVAL;
}