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genl: Fix cb reference leak in genl_ctrl_probe_by_name()

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nl_socket_get_cb() bumps the cb reference counter

Signed-off-by: Thomas Graf <tgraf@suug.ch>
This commit is contained in:
Thomas Graf 2013-04-02 11:51:53 +02:00
parent 18152ca916
commit df66b0f267
1 changed files with 7 additions and 2 deletions
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9
lib/genl/ctrl.c
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@ -239,7 +239,7 @@ static struct genl_family *genl_ctrl_probe_by_name(struct nl_sock *sk,
{
struct nl_msg *msg;
struct genl_family *ret;
struct nl_cb *cb;
struct nl_cb *cb, *orig;
int rc;
ret = genl_family_alloc();
@ -252,7 +252,12 @@ static struct genl_family *genl_ctrl_probe_by_name(struct nl_sock *sk,
if (!msg)
goto out_fam_free;
if (!(cb = nl_cb_clone(nl_socket_get_cb(sk))))
if (!(orig = nl_socket_get_cb(sk)))
goto out_msg_free;
cb = nl_cb_clone(orig);
nl_cb_put(orig);
if (!cb)
goto out_msg_free;
if (!genlmsg_put(msg, NL_AUTO_PORT, NL_AUTO_SEQ, GENL_ID_CTRL,