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[PATCH] cxgb4: fix memory leak of qe on error exit path

From: Colin King <hidden>
Date: 2016-10-16 22:54:10
Also in: lkml
Subsystem: cxgb4 ethernet driver (cxgb4), networking drivers, the rest · Maintainers: Potnuri Bharat Teja, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

From: Colin Ian King <redacted>

A memory leak of qe occurs when t4_sched_queue_unbind fails,
so fix this by free'ing qe on the error exit path.

Signed-off-by: Colin Ian King <redacted>
---
 drivers/net/ethernet/chelsio/cxgb4/sched.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/chelsio/cxgb4/sched.c b/drivers/net/ethernet/chelsio/cxgb4/sched.c
index 539de76..cbd68a8 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/sched.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/sched.c
@@ -210,8 +210,10 @@ static int t4_sched_queue_bind(struct port_info *pi, struct ch_sched_queue *p)
 
 	/* Unbind queue from any existing class */
 	err = t4_sched_queue_unbind(pi, p);
-	if (err)
+	if (err) {
+		t4_free_mem(qe);
 		goto out;
+	}
 
 	/* Bind queue to specified class */
 	memset(qe, 0, sizeof(*qe));
-- 
2.9.3
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