regulator: Merge up v6.8-rc5

There are dependencies on the PWM fixes for some new work on the PWM
driver.

1 files changed, 20 insertions, 5 deletions

diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index e34816638569..7f5426285c61 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -607,11 +607,26 @@ static struct sk_buff *macsec_encrypt(struct sk_buff *skb,
 		return ERR_PTR(-EINVAL);
 	}
 
-	ret = skb_ensure_writable_head_tail(skb, dev);
-	if (unlikely(ret < 0)) {
-		macsec_txsa_put(tx_sa);
-		kfree_skb(skb);
-		return ERR_PTR(ret);
+	if (unlikely(skb_headroom(skb) < MACSEC_NEEDED_HEADROOM ||
+		     skb_tailroom(skb) < MACSEC_NEEDED_TAILROOM)) {
+		struct sk_buff *nskb = skb_copy_expand(skb,
+						       MACSEC_NEEDED_HEADROOM,
+						       MACSEC_NEEDED_TAILROOM,
+						       GFP_ATOMIC);
+		if (likely(nskb)) {
+			consume_skb(skb);
+			skb = nskb;
+		} else {
+			macsec_txsa_put(tx_sa);
+			kfree_skb(skb);
+			return ERR_PTR(-ENOMEM);
+		}
+	} else {
+		skb = skb_unshare(skb, GFP_ATOMIC);
+		if (!skb) {
+			macsec_txsa_put(tx_sa);
+			return ERR_PTR(-ENOMEM);
+		}
 	}
 
 	unprotected_len = skb->len;