Patchwork [v2,10/13] qemu-char: minor mux chardev fixes

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Submitter Gerd Hoffmann
Date June 24, 2013, 6:39 a.m.
Message ID <1372055996-4072-11-git-send-email-kraxel@redhat.com>
Download mbox | patch
Permalink /patch/253651/
State New
Headers show

Comments

Gerd Hoffmann - June 24, 2013, 6:39 a.m.
mux failure path has a memory leak.  creating a mux chardev can't
fail though, so just assert() that instead of fixing an error path
which never ever runs anyway ...

Also fix bid being leaked while being at it.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 qemu-char.c |    7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

Patch

diff --git a/qemu-char.c b/qemu-char.c
index 5a2291d..e6c3157 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -3193,7 +3193,7 @@  CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts,
         ChardevBackend *backend = g_new0(ChardevBackend, 1);
         ChardevReturn *ret = NULL;
         const char *id = qemu_opts_id(opts);
-        const char *bid = NULL;
+        char *bid = NULL;
 
         if (qemu_opt_get_bool(opts, "mux", 0)) {
             bid = g_strdup_printf("%s-base", id);
@@ -3220,9 +3220,7 @@  CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts,
             backend->kind = CHARDEV_BACKEND_KIND_MUX;
             backend->mux->chardev = g_strdup(bid);
             ret = qmp_chardev_add(id, backend, errp);
-            if (error_is_set(errp)) {
-                goto qapi_out;
-            }
+            assert(!error_is_set(errp));
         }
 
         chr = qemu_chr_find(id);
@@ -3230,6 +3228,7 @@  CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts,
     qapi_out:
         qapi_free_ChardevBackend(backend);
         qapi_free_ChardevReturn(ret);
+        g_free(bid);
         return chr;
     }