summaryrefslogtreecommitdiff
path: root/drivers/net/ieee802154
diff options
context:
space:
mode:
authorYueHaibing <yuehaibing@huawei.com>2018-12-11 11:13:39 +0800
committerStefan Schmidt <stefan@datenfreihafen.org>2018-12-11 09:33:11 +0100
commit8e41cae64b08fe2e86a9ffb88b295c6b4b3a3322 (patch)
tree52fc3aa2eef82e742e3d8ed491a9ee3744c173f7 /drivers/net/ieee802154
parenta73d4e1490913b76b292f91553b7ba08a65caa3f (diff)
ieee802154: ca8210: fix possible u8 overflow in ca8210_rx_done
gcc warning this: drivers/net/ieee802154/ca8210.c:730:10: warning: comparison is always false due to limited range of data type [-Wtype-limits] 'len' is u8 type, we get it from buf[1] adding 2, which can overflow. This patch change the type of 'len' to unsigned int to avoid this,also fix the gcc warning. Fixes: ded845a781a5 ("ieee802154: Add CA8210 IEEE 802.15.4 device driver") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Diffstat (limited to 'drivers/net/ieee802154')
-rw-r--r--drivers/net/ieee802154/ca8210.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c
index 0ff5a403a8dc..b2ff903a9cb6 100644
--- a/drivers/net/ieee802154/ca8210.c
+++ b/drivers/net/ieee802154/ca8210.c
@@ -721,7 +721,7 @@ static void ca8210_mlme_reset_worker(struct work_struct *work)
static void ca8210_rx_done(struct cas_control *cas_ctl)
{
u8 *buf;
- u8 len;
+ unsigned int len;
struct work_priv_container *mlme_reset_wpc;
struct ca8210_priv *priv = cas_ctl->priv;
@@ -730,7 +730,7 @@ static void ca8210_rx_done(struct cas_control *cas_ctl)
if (len > CA8210_SPI_BUF_SIZE) {
dev_crit(
&priv->spi->dev,
- "Received packet len (%d) erroneously long\n",
+ "Received packet len (%u) erroneously long\n",
len
);
goto finish;