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authorJason Gunthorpe <[email protected]>2023-06-27 17:06:29 +0000
committerJason Gunthorpe <[email protected]>2023-06-27 17:06:29 +0000
commit5f004bcaee4cb552cf1b46a505f18f08777db7e5 (patch)
treec81bdd8e01ba8de9862c8bdb1b210559d4bcf154 /drivers/net/tun.c
parentRDMA/bnxt_re: Fix an IS_ERR() vs NULL check (diff)
parentLinux 6.4 (diff)
downloadkernel-5f004bcaee4cb552cf1b46a505f18f08777db7e5.tar.gz
kernel-5f004bcaee4cb552cf1b46a505f18f08777db7e5.zip
Merge tag 'v6.4' into rdma.git for-next
Linux 6.4 Resolve conflicts between rdma rc and next in rxe_cq matching linux-next: drivers/infiniband/sw/rxe/rxe_cq.c: https://lore.kernel.org/r/[email protected] Signed-off-by: Jason Gunthorpe <[email protected]>
Diffstat (limited to 'drivers/net/tun.c')
-rw-r--r--drivers/net/tun.c15
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;