Commit 6728a8e2 authored by Michael Chan's avatar Michael Chan Committed by David S. Miller
Browse files

[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: default avatarMichael Chan <mchan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 008652b3

drivers/net/tg3.c

+1 −1
Original line number Diff line number Diff line
@@ -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