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-rw-r--r--drivers/net/tg3.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 135c0987deae..e136bae61970 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -3380,7 +3380,7 @@ next_pkt:
}
next_pkt_nopost:
sw_idx++;
- sw_idx %= TG3_RX_RCB_RING_SIZE(tp);
+ sw_idx &= (TG3_RX_RCB_RING_SIZE(tp) - 1);
/* Refresh hw_idx to see if there is new work */
if (sw_idx == hw_idx) {