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w1: avoid potential u16 overflow
Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Evgeniy Polyakov <zbr@ioremap.net> Signed-off-by: David Fries <David@Fries.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -598,7 +598,7 @@ static void w1_cn_callback(struct cn_msg *cn, struct netlink_skb_parms *nsp)
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msg = (struct w1_netlink_msg *)(cn + 1);
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if (node_count) {
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int size;
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u16 reply_size = sizeof(*cn) + cn->len + slave_len;
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int reply_size = sizeof(*cn) + cn->len + slave_len;
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if (cn->flags & W1_CN_BUNDLE) {
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/* bundling duplicats some of the messages */
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reply_size += 2 * cmd_count * (sizeof(struct cn_msg) +
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