* [PATCH] irda: irttp: fix memory leak in irttp_open_tsap() error path
@ 2012-11-26 14:16 Tommi Rantala
2012-11-28 16:25 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Tommi Rantala @ 2012-11-26 14:16 UTC (permalink / raw)
To: netdev; +Cc: Samuel Ortiz, David S. Miller, Dave Jones, Tommi Rantala
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 <tt.rantala@gmail.com>
---
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
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