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authorMarkus Armbruster <armbru@redhat.com>2014-04-25 16:50:31 +0200
committerStefan Hajnoczi <stefanha@redhat.com>2014-04-25 18:05:06 +0200
commit0fb6395c0cb5046432a80d608ddde7a3b2f8a9ae (patch)
treebc4d5b75394733d277652b127066461b7197c360 /block
parenta28315ebaf3910b65ef51abefc4ef040265afc19 (diff)
Use error_is_set() only when necessary (again)
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>
Diffstat (limited to 'block')
-rw-r--r--block/mirror.c2
-rw-r--r--block/nfs.c2
-rw-r--r--block/quorum.c4
3 files changed, 4 insertions, 4 deletions
diff --git a/block/mirror.c b/block/mirror.c
index 2618c3763..36f4f8e8b 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -680,7 +680,7 @@ void commit_active_start(BlockDriverState *bs, BlockDriverState *base,
mirror_start_job(bs, base, speed, 0, 0,
on_error, on_error, cb, opaque, &local_err,
&commit_active_job_driver, false, base);
- if (error_is_set(&local_err)) {
+ if (local_err) {
error_propagate(errp, local_err);
goto error_restore_flags;
}
diff --git a/block/nfs.c b/block/nfs.c
index 98aa363e4..9fa831f16 100644
--- a/block/nfs.c
+++ b/block/nfs.c
@@ -343,7 +343,7 @@ static int nfs_file_open(BlockDriverState *bs, QDict *options, int flags,
opts = qemu_opts_create(&runtime_opts, NULL, 0, &error_abort);
qemu_opts_absorb_qdict(opts, options, &local_err);
- if (error_is_set(&local_err)) {
+ if (local_err) {
error_propagate(errp, local_err);
return -EINVAL;
}
diff --git a/block/quorum.c b/block/quorum.c
index 7f580a83b..ecec3a540 100644
--- a/block/quorum.c
+++ b/block/quorum.c
@@ -753,7 +753,7 @@ static int quorum_open(BlockDriverState *bs, QDict *options, int flags,
opts = qemu_opts_create(&quorum_runtime_opts, NULL, 0, &error_abort);
qemu_opts_absorb_qdict(opts, options, &local_err);
- if (error_is_set(&local_err)) {
+ if (local_err) {
ret = -EINVAL;
goto exit;
}
@@ -828,7 +828,7 @@ close_exit:
g_free(opened);
exit:
/* propagate error */
- if (error_is_set(&local_err)) {
+ if (local_err) {
error_propagate(errp, local_err);
}
QDECREF(list);