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Processed in 0.342807 secs); 25 Jul 2017 14:41:49 -0000 Received: from smtp.kamp.de (HELO submission.kamp.de) ([195.62.97.28]) by mx01.kamp.de with ESMTPS (DHE-RSA-AES256-GCM-SHA384 encrypted); 25 Jul 2017 14:41:46 -0000 X-GL_Whitelist: yes Received: (qmail 9653 invoked from network); 25 Jul 2017 14:41:40 -0000 Received: from lieven-pc.kamp-intra.net (HELO lieven-pc) (relay@kamp.de@::ffff:172.21.12.60) by submission.kamp.de with ESMTPS (DHE-RSA-AES256-GCM-SHA384 encrypted) ESMTPA; 25 Jul 2017 14:41:40 -0000 Received: by lieven-pc (Postfix, from userid 1000) id 58CAE20ECA; Tue, 25 Jul 2017 16:41:40 +0200 (CEST) From: Peter Lieven To: qemu-block@nongnu.org Date: Tue, 25 Jul 2017 16:41:35 +0200 Message-Id: <1500993699-19299-7-git-send-email-pl@kamp.de> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1500993699-19299-1-git-send-email-pl@kamp.de> References: <1500993699-19299-1-git-send-email-pl@kamp.de> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2a02:248:0:51::16 Subject: [Qemu-devel] [PATCH V5 06/10] block/qcow2: simplify ret usage in qcow2_create X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, Peter Lieven , qemu-devel@nongnu.org, mreitz@redhat.com, den@openvz.org, lersek@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Peter Lieven --- block/qcow2.c | 13 ++----------- 1 file changed, 2 insertions(+), 11 deletions(-) diff --git a/block/qcow2.c b/block/qcow2.c index 7fd52e1..ffe609d 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -3031,7 +3031,7 @@ static int qcow2_create(const char *filename, QemuOpts *opts, Error **errp) int refcount_order; const char *encryptfmt = NULL; Error *local_err = NULL; - int ret; + int ret = -EINVAL; /* Read out options */ size = ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0), @@ -3043,7 +3043,6 @@ static int qcow2_create(const char *filename, QemuOpts *opts, Error **errp) if (qemu_opt_get_del(opts, BLOCK_OPT_ENCRYPT)) { error_setg(errp, "Options " BLOCK_OPT_ENCRYPT " and " BLOCK_OPT_ENCRYPT_FORMAT " are mutually exclusive"); - ret = -EINVAL; goto finish; } } else if (qemu_opt_get_bool_del(opts, BLOCK_OPT_ENCRYPT, false)) { @@ -3052,7 +3051,6 @@ static int qcow2_create(const char *filename, QemuOpts *opts, Error **errp) cluster_size = qcow2_opt_get_cluster_size_del(opts, &local_err); if (local_err) { error_propagate(errp, local_err); - ret = -EINVAL; goto finish; } buf = qemu_opt_get_del(opts, BLOCK_OPT_PREALLOC); @@ -3061,14 +3059,12 @@ static int qcow2_create(const char *filename, QemuOpts *opts, Error **errp) &local_err); if (local_err) { error_propagate(errp, local_err); - ret = -EINVAL; goto finish; } version = qcow2_opt_get_version_del(opts, &local_err); if (local_err) { error_propagate(errp, local_err); - ret = -EINVAL; goto finish; } @@ -3079,21 +3075,18 @@ static int qcow2_create(const char *filename, QemuOpts *opts, Error **errp) if (backing_file && prealloc != PREALLOC_MODE_OFF) { error_setg(errp, "Backing file and preallocation cannot be used at " "the same time"); - ret = -EINVAL; goto finish; } if (version < 3 && (flags & BLOCK_FLAG_LAZY_REFCOUNTS)) { error_setg(errp, "Lazy refcounts only supported with compatibility " "level 1.1 and above (use compat=1.1 or greater)"); - ret = -EINVAL; goto finish; } refcount_bits = qcow2_opt_get_refcount_bits_del(opts, version, &local_err); if (local_err) { error_propagate(errp, local_err); - ret = -EINVAL; goto finish; } @@ -3110,13 +3103,11 @@ static int qcow2_create(const char *filename, QemuOpts *opts, Error **errp) visit_start_struct(v, NULL, NULL, 0, &local_err); if (local_err) { error_propagate(errp, local_err); - ret = -EINVAL; goto finish; } visit_type_Qcow2Compress_members(v, &compress, &local_err); if (local_err) { error_propagate(errp, local_err); - ret = -EINVAL; goto finish; } visit_end_struct(v, NULL); @@ -3126,12 +3117,12 @@ static int qcow2_create(const char *filename, QemuOpts *opts, Error **errp) qcow2_check_compress_settings(&compress, &local_err); if (local_err) { error_propagate(errp, local_err); - ret = -EINVAL; goto finish; } compress_ptr = &compress; } + /* ret is still -EINVAL until here */ ret = qcow2_create2(filename, size, backing_file, backing_fmt, flags, cluster_size, prealloc, opts, version, refcount_order, encryptfmt, compress_ptr, &local_err);