diff options
| author | Colin Ian King <colin.king@canonical.com> | 2017-06-05 12:04:52 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-06-06 22:13:46 +0300 |
| commit | 594238158bf748c285f0a73222cd9b7ccf3c525d (patch) | |
| tree | 0fc2e20e8b26f80277c1914f929e5e3ee63746e9 /drivers/net/ethernet/stmicro/stmmac | |
| parent | 7b868fed00f6c72d3e0270bcb057b4f26c09e809 (diff) | |
| download | linux-594238158bf748c285f0a73222cd9b7ccf3c525d.tar.xz | |
net: stmmac: ensure jumbo_frm error return is correctly checked for -ve value
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>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac')
| -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 a74c481401c4..e5515c521d86 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -2947,7 +2947,8 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) int i, csum_insertion = 0, is_jumbo = 0; u32 queue = skb_get_queue_mapping(skb); int nfrags = skb_shinfo(skb)->nr_frags; - unsigned int entry, first_entry; + int entry; + unsigned int first_entry; struct dma_desc *desc, *first; struct stmmac_tx_queue *tx_q; unsigned int enh_desc; |