Thread (6 messages) 6 messages, 2 authors, 2011-08-13

[net 1/4] ixgbe: Fix FCOE memory leak for DDP packets

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From: Jeff Kirsher <hidden>
Date: 2011-08-13 09:23:43
Subsystem: networking drivers, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

From: Alexander Duyck <redacted>

This patch is meant to fix a memory leak found via code review for FCOE.
Specifically on DDP flows the SKBs were being dropped without being
recycled, freed, or given to the stack.

Signed-off-by: Alexander Duyck <redacted>
Tested-by: Ross Brattain <redacted>
Signed-off-by: Jeff Kirsher <redacted>
---
 drivers/net/ixgbe/ixgbe_main.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index e86297b..2279039 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -1459,8 +1459,10 @@ static void ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 		if (ixgbe_rx_is_fcoe(adapter, rx_desc)) {
 			ddp_bytes = ixgbe_fcoe_ddp(adapter, rx_desc, skb,
 						   staterr);
-			if (!ddp_bytes)
+			if (!ddp_bytes) {
+				dev_kfree_skb_any(skb);
 				goto next_desc;
+			}
 		}
 #endif /* IXGBE_FCOE */
 		ixgbe_receive_skb(q_vector, skb, staterr, rx_ring, rx_desc);
-- 
1.7.6
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