From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35073) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cjYWF-0005Vj-Ro for qemu-devel@nongnu.org; Thu, 02 Mar 2017 16:44:17 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cjYWE-0002pe-7B for qemu-devel@nongnu.org; Thu, 02 Mar 2017 16:44:15 -0500 From: Markus Armbruster Date: Thu, 2 Mar 2017 22:44:03 +0100 Message-Id: <1488491046-2549-13-git-send-email-armbru@redhat.com> In-Reply-To: <1488491046-2549-1-git-send-email-armbru@redhat.com> References: <1488491046-2549-1-git-send-email-armbru@redhat.com> Subject: [Qemu-devel] [PATCH 12/15] gluster: Plug memory leaks in qemu_gluster_parse_json() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, kwolf@redhat.com, mitake.hitoshi@lab.ntt.co.jp, namei.unix@gmail.com, jcody@redhat.com To reproduce, run $ valgrind qemu-system-x86_64 --nodefaults -S --drive driver=gluster,volume=testvol,path=/a/b/c,server.0.type=xxx Signed-off-by: Markus Armbruster --- block/gluster.c | 28 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-) diff --git a/block/gluster.c b/block/gluster.c index 6fbcf9e..35a7abb 100644 --- a/block/gluster.c +++ b/block/gluster.c @@ -480,7 +480,7 @@ static int qemu_gluster_parse_json(BlockdevOptionsGluster *gconf, QDict *options, Error **errp) { QemuOpts *opts; - GlusterServer *gsconf; + GlusterServer *gsconf = NULL; GlusterServerList *curr = NULL; QDict *backing_options = NULL; Error *local_err = NULL; @@ -529,17 +529,16 @@ static int qemu_gluster_parse_json(BlockdevOptionsGluster *gconf, } ptr = qemu_opt_get(opts, GLUSTER_OPT_TYPE); + if (!ptr) { + error_setg(&local_err, QERR_MISSING_PARAMETER, GLUSTER_OPT_TYPE); + error_append_hint(&local_err, GERR_INDEX_HINT, i); + goto out; + + } gsconf = g_new0(GlusterServer, 1); gsconf->type = qapi_enum_parse(GlusterTransport_lookup, ptr, - GLUSTER_TRANSPORT__MAX, - GLUSTER_TRANSPORT__MAX, + GLUSTER_TRANSPORT__MAX, 0, &local_err); - if (!ptr) { - error_setg(&local_err, QERR_MISSING_PARAMETER, GLUSTER_OPT_TYPE); - error_append_hint(&local_err, GERR_INDEX_HINT, i); - goto out; - - } if (local_err) { error_append_hint(&local_err, "Parameter '%s' may be 'tcp' or 'unix'\n", @@ -626,8 +625,10 @@ static int qemu_gluster_parse_json(BlockdevOptionsGluster *gconf, curr->next->value = gsconf; curr = curr->next; } + gsconf = NULL; - qdict_del(backing_options, str); + QDECREF(backing_options); + backing_options = NULL; g_free(str); str = NULL; } @@ -636,11 +637,10 @@ static int qemu_gluster_parse_json(BlockdevOptionsGluster *gconf, out: error_propagate(errp, local_err); + qapi_free_GlusterServer(gsconf); qemu_opts_del(opts); - if (str) { - qdict_del(backing_options, str); - g_free(str); - } + g_free(str); + QDECREF(backing_options); errno = EINVAL; return -errno; } -- 2.7.4