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

login
register
mail settings
Submitter Gerd Hoffmann
Date June 21, 2013, 10:38 a.m.
Message ID <1371811105-730-11-git-send-email-kraxel@redhat.com>
Download mbox | patch
Permalink /patch/253183/
State New
Headers show

Comments

Gerd Hoffmann - June 21, 2013, 10:38 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 1c0903f..65c0c48 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;
     }