When copying data from skb, it needs to determine the copy length. It is easier to understand using min() here. Signed-off-by: Li Zetao <lizetao1@xxxxxxxxxx> --- net/bluetooth/hidp/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c index 707f229f896a..7bf24f2993ba 100644 --- a/net/bluetooth/hidp/core.c +++ b/net/bluetooth/hidp/core.c @@ -294,7 +294,7 @@ static int hidp_get_raw_report(struct hid_device *hid, skb = session->report_return; if (skb) { - len = skb->len < count ? skb->len : count; + len = min(skb->len, count); memcpy(data, skb->data, len); kfree_skb(skb); -- 2.34.1