ca8210: Fix unsigned mac_len comparison with zero in ca8210_skb_tx()

mac_len is of type unsigned, which can never be less than zero.

	mac_len = ieee802154_hdr_peek_addrs(skb, &header);
	if (mac_len < 0)
		return mac_len;

Change this to type int as ieee802154_hdr_peek_addrs() can return negative
integers, this is found by static analysis with smatch.

Fixes: 6c993779ea1d ("ca8210: fix mac_len negative array access")
Signed-off-by: Harshit Mogalapalli <[email protected]>
Acked-by: Alexander Aring <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Stefan Schmidt <[email protected]>

0 files changed, 0 insertions, 0 deletions