[PATCH] irda: irttp: fix memory leak in irttp_open_tsap() error path

Cleanup the memory we allocated earlier in irttp_open_tsap() when we hit
this error path. The leak goes back to at least 1da177e4
("Linux-2.6.12-rc2").

Discovered with Trinity (the syscall fuzzer).

Signed-off-by: Tommi Rantala <redacted>
---
 net/irda/irttp.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/net/irda/irttp.c b/net/irda/irttp.c
index 1002e33..ae43c62 100644
--- a/net/irda/irttp.c
+++ b/net/irda/irttp.c

@@ -441,6 +441,7 @@ struct tsap_cb *irttp_open_tsap(__u8 stsap_sel, int credit, notify_t *notify)
 	lsap = irlmp_open_lsap(stsap_sel, &ttp_notify, 0);
 	if (lsap == NULL) {
 		IRDA_DEBUG(0, "%s: unable to allocate LSAP!!\n", __func__);
+		__irttp_close_tsap(self);
 		return NULL;
 	}
 

-- 
1.7.9.5