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| author |  Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| 2023-05-27 08:32:07 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| 2023-05-27 08:32:07 +0100 |
| commit | 0e4daea31d8312dd9f957a62717d4b5f31ef494c (patch) | |
| tree | a9edacaf51413354d0df35f6faf7f002a6f34bf0 /drivers/net/tun.c | |
| parent | serial: Make uart_remove_one_port() return void (diff) | |
| parent | Linux 6.4-rc3 (diff) | |
| download | linux-0e4daea31d8312dd9f957a62717d4b5f31ef494c.tar.gz linux-0e4daea31d8312dd9f957a62717d4b5f31ef494c.tar.bz2 linux-0e4daea31d8312dd9f957a62717d4b5f31ef494c.zip | |
Merge 6.4-rc3 into tty-next
We need the serial/tty fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/tun.c')
| -rw-r--r-- | drivers/net/tun.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index d4d0a41a905a..d75456adc62a 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1977,6 +1977,14 @@ napi_busy: int queue_len; spin_lock_bh(&queue->lock); + + if (unlikely(tfile->detached)) { + spin_unlock_bh(&queue->lock); + rcu_read_unlock(); + err = -EBUSY; + goto free_skb; + } + __skb_queue_tail(queue, skb); queue_len = skb_queue_len(queue); spin_unlock(&queue->lock); @@ -2512,6 +2520,13 @@ build: if (tfile->napi_enabled) { queue = &tfile->sk.sk_write_queue; spin_lock(&queue->lock); + + if (unlikely(tfile->detached)) { + spin_unlock(&queue->lock); + kfree_skb(skb); + return -EBUSY; + } + __skb_queue_tail(queue, skb); spin_unlock(&queue->lock); ret = 1; |