disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/net/usb/sr9800.c
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@@ -115,6 +115,7 @@
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 	u32 padbytes = 0xffff0000;
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 	u32 packet_len;
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 	int padlen;
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+	void *ptr;
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 	padlen = ((skb->len + 4) % (dev->maxpacket - 1)) ? 0 : 4;
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..
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@@ -133,14 +134,12 @@
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 			return NULL;
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 	}
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-	skb_push(skb, 4);
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+	ptr = skb_push(skb, 4);
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 	packet_len = (((skb->len - 4) ^ 0x0000ffff) << 16) + (skb->len - 4);
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-	cpu_to_le32s(&packet_len);
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-	skb_copy_to_linear_data(skb, &packet_len, sizeof(packet_len));
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+	put_unaligned_le32(packet_len, ptr);
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 	if (padlen) {
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-		cpu_to_le32s(&padbytes);
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-		memcpy(skb_tail_pointer(skb), &padbytes, sizeof(padbytes));
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+		put_unaligned_le32(padbytes, skb_tail_pointer(skb));
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 		skb_put(skb, sizeof(padbytes));
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 	}
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