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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-09-03 07:42:58 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-09-03 07:42:58 +0200
commit35f4a629641b812e04fadef087da5d6af59e32d7 (patch)
tree9cd5010ed6c0bf18cb631e60149a16ecccd9e0f3 /net/kcm/kcmsock.c
parentfc88bb11617978fb3fcfcc697fd5c9d2dae9c4a3 (diff)
parent431c1646e1f86b949fa3685efc50b660a364c2b6 (diff)
Merge 6.11-rc6 into usb-next
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/kcm/kcmsock.c')
-rw-r--r--net/kcm/kcmsock.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c
index 2f191e50d4fc..d4118c796290 100644
--- a/net/kcm/kcmsock.c
+++ b/net/kcm/kcmsock.c
@@ -755,6 +755,7 @@ static int kcm_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
!(msg->msg_flags & MSG_MORE) : !!(msg->msg_flags & MSG_EOR);
int err = -EPIPE;
+ mutex_lock(&kcm->tx_mutex);
lock_sock(sk);
/* Per tcp_sendmsg this should be in poll */
@@ -926,6 +927,7 @@ partial_message:
KCM_STATS_ADD(kcm->stats.tx_bytes, copied);
release_sock(sk);
+ mutex_unlock(&kcm->tx_mutex);
return copied;
out_error:
@@ -951,6 +953,7 @@ out_error:
sk->sk_write_space(sk);
release_sock(sk);
+ mutex_unlock(&kcm->tx_mutex);
return err;
}
@@ -1204,6 +1207,7 @@ static void init_kcm_sock(struct kcm_sock *kcm, struct kcm_mux *mux)
spin_unlock_bh(&mux->lock);
INIT_WORK(&kcm->tx_work, kcm_tx_work);
+ mutex_init(&kcm->tx_mutex);
spin_lock_bh(&mux->rx_lock);
kcm_rcv_ready(kcm);