From: Alexandra Winter wintera@linux.ibm.com
[ Upstream commit 0c0b20587b9f25a2ad14db7f80ebe49bdf29920a ]
smatch complains about drivers/s390/net/ctcm_mpc.c:1210 ctcmpc_unpack_skb() warn: possible memory leak of 'mpcginfo'
mpc_action_discontact() did not free mpcginfo. Consolidate the freeing in ctcmpc_unpack_skb().
Fixes: 293d984f0e36 ("ctcm: infrastructure for replaced ctc driver") Signed-off-by: Alexandra Winter wintera@linux.ibm.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/s390/net/ctcm_mpc.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/s390/net/ctcm_mpc.c b/drivers/s390/net/ctcm_mpc.c index 85a1a4533cbe..20a6097e1b20 100644 --- a/drivers/s390/net/ctcm_mpc.c +++ b/drivers/s390/net/ctcm_mpc.c @@ -626,8 +626,6 @@ static void mpc_rcvd_sweep_resp(struct mpcg_info *mpcginfo) ctcm_clear_busy_do(dev); }
- kfree(mpcginfo); - return;
} @@ -1206,10 +1204,10 @@ static void ctcmpc_unpack_skb(struct channel *ch, struct sk_buff *pskb) CTCM_FUNTAIL, dev->name); priv->stats.rx_dropped++; /* mpcginfo only used for non-data transfers */ - kfree(mpcginfo); if (do_debug_data) ctcmpc_dump_skb(pskb, -8); } + kfree(mpcginfo); } done:
@@ -1991,7 +1989,6 @@ static void mpc_action_rcvd_xid0(fsm_instance *fsm, int event, void *arg) } break; } - kfree(mpcginfo);
CTCM_PR_DEBUG("ctcmpc:%s() %s xid2:%i xid7:%i xidt_p2:%i \n", __func__, ch->id, grp->outstanding_xid2, @@ -2052,7 +2049,6 @@ static void mpc_action_rcvd_xid7(fsm_instance *fsm, int event, void *arg) mpc_validate_xid(mpcginfo); break; } - kfree(mpcginfo); return; }