diff options
-rw-r--r-- | block/crypto.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/block/crypto.c b/block/crypto.c index ca44dae4f7..6b21d6bf6c 100644 --- a/block/crypto.c +++ b/block/crypto.c @@ -104,18 +104,35 @@ static ssize_t block_crypto_init_func(QCryptoBlock *block, Error **errp) { struct BlockCryptoCreateData *data = opaque; + Error *local_error = NULL; + int ret; if (data->size > INT64_MAX || headerlen > INT64_MAX - data->size) { - error_setg(errp, "The requested file size is too large"); - return -EFBIG; + ret = -EFBIG; + goto error; } /* User provided size should reflect amount of space made * available to the guest, so we must take account of that * which will be used by the crypto header */ - return blk_truncate(data->blk, data->size + headerlen, false, - data->prealloc, 0, errp); + ret = blk_truncate(data->blk, data->size + headerlen, false, + data->prealloc, 0, &local_error); + + if (ret >= 0) { + return ret; + } + +error: + if (ret == -EFBIG) { + /* Replace the error message with a better one */ + error_free(local_error); + error_setg(errp, "The requested file size is too large"); + } else { + error_propagate(errp, local_error); + } + + return ret; } |