linux-kernel - [PATCH AUTOSEL 4.19 43/60] bpf, devmap: Add missing bulk queue free

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Date:   Wed, 26 Jun 2019 20:35:58 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Toshiaki Makita <toshiaki.makita1@...il.com>,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Sasha Levin <sashal@...nel.org>, netdev@...r.kernel.org,
        xdp-newbies@...r.kernel.org, bpf@...r.kernel.org
Subject: [PATCH AUTOSEL 4.19 43/60] bpf, devmap: Add missing bulk queue free

From: Toshiaki Makita <toshiaki.makita1@...il.com>

[ Upstream commit edabf4d9dd905acd60048ea1579943801e3a4876 ]

dev_map_free() forgot to free bulk queue when freeing its entries.

Fixes: 5d053f9da431 ("bpf: devmap prepare xdp frames for bulking")
Signed-off-by: Toshiaki Makita <toshiaki.makita1@...il.com>
Acked-by: Jesper Dangaard Brouer <brouer@...hat.com>
Signed-off-by: Daniel Borkmann <daniel@...earbox.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 kernel/bpf/devmap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c
index 99353ac28cd4..357d456d57b9 100644
--- a/kernel/bpf/devmap.c
+++ b/kernel/bpf/devmap.c
@@ -186,6 +186,7 @@ static void dev_map_free(struct bpf_map *map)
 		if (!dev)
 			continue;
 
+		free_percpu(dev->bulkq);
 		dev_put(dev->dev);
 		kfree(dev);
 	}
-- 
2.20.1