Commit 7a8919dc authored by Gonglei's avatar Gonglei Committed by Stefan Hajnoczi

net/slirp: fix memory leak

commit b412eb61 introduce 'cmd:' target for guestfwd,
and fwd don't be used in this scenario, and will leak
memory in true branch with 'cmd:'. Let's allocate memory
for fwd variable just in else statement.

Cc: Alexander Graf <agraf@suse.de>
Signed-off-by: 's avatarGonglei <arei.gonglei@huawei.com>
Reviewed-by: 's avatarJason Wang <jasowang@redhat.com>
Signed-off-by: 's avatarStefan Hajnoczi <stefanha@redhat.com>
parent 9c7074da
......@@ -643,17 +643,16 @@ static int slirp_guestfwd(SlirpState *s, const char *config_str,
goto fail_syntax;
}
fwd = g_malloc(sizeof(struct GuestFwd));
snprintf(buf, sizeof(buf), "guestfwd.tcp.%d", port);
if ((strlen(p) > 4) && !strncmp(p, "cmd:", 4)) {
if (slirp_add_exec(s->slirp, 0, &p[4], &server, port) < 0) {
error_report("conflicting/invalid host:port in guest forwarding "
"rule '%s'", config_str);
g_free(fwd);
return -1;
}
} else {
fwd = g_malloc(sizeof(struct GuestFwd));
fwd->hd = qemu_chr_new(buf, p, NULL);
if (!fwd->hd) {
error_report("could not open guest forwarding device '%s'", buf);
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment