[TG3]: Fix bug in 40-bit DMA workaround code

Need to check the TG3_FLAG_40BIT_DMA_BUG flag in the workaround code
path instead of device flags.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index c41dbb0..0fafc52 100644 (file)
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -3600,7 +3600,7 @@ static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
                                          int len)
 {
 #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
-       if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
+       if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
                return (((u64) mapping + len) > DMA_40BIT_MASK);
        return 0;
 #else