diff options
author | Colin Ian King <colin.king@canonical.com> | 2017-06-05 10:04:52 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-10 07:42:48 -0800 |
commit | 30037edd16f4b43eafdaf8bbfd5c00fb9666004f (patch) | |
tree | 9a2c0bc504cbf3977347c4ade5bf230711ddec3f /drivers/net/ethernet | |
parent | 03a1d0be64ba74b50252e32944b42967d98d155a (diff) |
net: stmmac: ensure jumbo_frm error return is correctly checked for -ve value
[ Upstream commit 594238158bf748c285f0a73222cd9b7ccf3c525d ]
The current comparison of entry < 0 will never be true since entry is an
unsigned integer. Make entry an int to ensure -ve error return values
from the call to jumbo_frm are correctly being caught.
Detected by CoverityScan, CID#1238760 ("Macro compares unsigned to 0")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 0df71865fab1..65ed02bc3ea3 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -2199,7 +2199,8 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) unsigned int nopaged_len = skb_headlen(skb); int i, csum_insertion = 0, is_jumbo = 0; int nfrags = skb_shinfo(skb)->nr_frags; - unsigned int entry, first_entry; + int entry; + unsigned int first_entry; struct dma_desc *desc, *first; unsigned int enh_desc; unsigned int des; |