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| author | Subash Abhinov Kasiviswanathan <subashab@codeaurora.org> | 2020-07-23 20:31:48 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-07-31 19:47:14 +0300 |
| commit | 9af17d113b8bcfed63290a11030f2915edbb3d14 (patch) | |
| tree | 22f2cdf121a26ca5156468a172f33ce305201a9b | |
| parent | f7b38459759ea5ee971c8d09328c7e5d82cae69c (diff) | |
| download | linux-9af17d113b8bcfed63290a11030f2915edbb3d14.tar.xz | |
dev: Defer free of skbs in flush_backlog
[ Upstream commit 7df5cb75cfb8acf96c7f2342530eb41e0c11f4c3 ]
IRQs are disabled when freeing skbs in input queue.
Use the IRQ safe variant to free skbs here.
Fixes: 145dd5f9c88f ("net: flush the softnet backlog in process context")
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | net/core/dev.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index c9ee5d80d5ea..c1c2688a955c 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -5504,7 +5504,7 @@ static void flush_backlog(struct work_struct *work) skb_queue_walk_safe(&sd->input_pkt_queue, skb, tmp) { if (skb->dev->reg_state == NETREG_UNREGISTERING) { __skb_unlink(skb, &sd->input_pkt_queue); - kfree_skb(skb); + dev_kfree_skb_irq(skb); input_queue_head_incr(sd); } } |