r8169: convert while to for loop in rtl_tx

Slightly improve the code by converting this while to a for loop.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Heiner Kallweit 2020-03-06 23:54:47 +01:00 committed by David S. Miller
parent 206bd0a735
commit a0e6650bdd
1 changed files with 1 additions and 3 deletions

View File

@ -4392,9 +4392,8 @@ static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp,
dirty_tx = tp->dirty_tx;
smp_rmb();
tx_left = tp->cur_tx - dirty_tx;
while (tx_left > 0) {
for (tx_left = tp->cur_tx - dirty_tx; tx_left > 0; tx_left--) {
unsigned int entry = dirty_tx % NUM_TX_DESC;
struct ring_info *tx_skb = tp->tx_skb + entry;
u32 status;
@ -4418,7 +4417,6 @@ static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp,
tx_skb->skb = NULL;
}
dirty_tx++;
tx_left--;
}
if (tp->dirty_tx != dirty_tx) {