libcacard: fix resource leak

In function connect_to_qemu(), getaddrinfo() will allocate memory
that is stored into server, it should be freed by using freeaddrinfo()
before connect_to_qemu() return.

Cc: qemu-stable@nongnu.org
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
zhanghailiang 2014-11-14 10:18:08 +08:00 committed by Paolo Bonzini
parent c52e67924f
commit 5bbebf6228

View File

@ -597,7 +597,7 @@ connect_to_qemu(
const char *port
) {
struct addrinfo hints;
struct addrinfo *server;
struct addrinfo *server = NULL;
int ret, sock;
sock = socket(AF_INET, SOCK_STREAM, 0);
@ -629,9 +629,14 @@ connect_to_qemu(
if (verbose) {
printf("Connected (sizeof Header=%zd)!\n", sizeof(VSCMsgHeader));
}
freeaddrinfo(server);
return sock;
cleanup_socket:
if (server) {
freeaddrinfo(server);
}
closesocket(sock);
return -1;
}