From: Dan Carpenter dan.carpenter@oracle.com
commit 3a318426e09a9c9266fe6440842e11238f640a20 upstream.
We check for overflow here, but we don't check for underflow so it causes a static checker warning.
Fixes: fb9987d0f748 ('ath9k_htc: Support for AR9271 chipset.') Signed-off-by: Dan Carpenter dan.carpenter@oracle.com Signed-off-by: Kalle Valo kvalo@codeaurora.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/net/wireless/ath/ath9k/htc_hst.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/wireless/ath/ath9k/htc_hst.c +++ b/drivers/net/wireless/ath/ath9k/htc_hst.c @@ -414,7 +414,7 @@ void ath9k_htc_rx_msg(struct htc_target return; }
- if (epid >= ENDPOINT_MAX) { + if (epid < 0 || epid >= ENDPOINT_MAX) { if (pipe_id != USB_REG_IN_PIPE) dev_kfree_skb_any(skb); else