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[PULL 17/17] block/qcow2: refactor qcow2_update_options_prepare error pa
From: |
Eric Blake |
Subject: |
[PULL 17/17] block/qcow2: refactor qcow2_update_options_prepare error paths |
Date: |
Tue, 9 Mar 2021 09:52:02 -0600 |
From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Keep setting ret close to setting errp and don't merge different error
paths into one. This way it's more obvious that we don't return
error without setting errp.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-Id: <20210202124956.63146-15-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
---
block/qcow2.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/block/qcow2.c b/block/qcow2.c
index a1dee95dea6c..0db1227ac909 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -1158,6 +1158,10 @@ static int qcow2_update_options_prepare(BlockDriverState
*bs,
}
qdict_put_str(encryptopts, "format", "qcow");
r->crypto_opts = block_crypto_open_opts_init(encryptopts, errp);
+ if (!r->crypto_opts) {
+ ret = -EINVAL;
+ goto fail;
+ }
break;
case QCOW_CRYPT_LUKS:
@@ -1170,14 +1174,15 @@ static int
qcow2_update_options_prepare(BlockDriverState *bs,
}
qdict_put_str(encryptopts, "format", "luks");
r->crypto_opts = block_crypto_open_opts_init(encryptopts, errp);
+ if (!r->crypto_opts) {
+ ret = -EINVAL;
+ goto fail;
+ }
break;
default:
error_setg(errp, "Unsupported encryption method %d",
s->crypt_method_header);
- break;
- }
- if (s->crypt_method_header != QCOW_CRYPT_NONE && !r->crypto_opts) {
ret = -EINVAL;
goto fail;
}
--
2.30.1
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