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net: bgmac: Fix endian access in bgmac_dma_tx_ring_free() 

bgmac_dma_tx_ring_free() assigns the ctl1 word which is a litle endian
32-bit word without using proper accessors, fix this, and because a
length cannot be negative, use unsigned int while at it.

Fixes: 9cde94506e ("bgmac: implement scatter/gather support")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli 2018-04-01 10:26:30 -07:00 committed by David S. Miller
parent 16a1c0646e
commit 60d6e6f0b9
1 changed files with 2 additions and 1 deletions
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3
drivers/net/ethernet/broadcom/bgmac.c
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@ -533,7 +533,8 @@ static void bgmac_dma_tx_ring_free(struct bgmac *bgmac,
int i;
for (i = 0; i < BGMAC_TX_RING_SLOTS; i++) {
int len = dma_desc[i].ctl1 & BGMAC_DESC_CTL1_LEN;
u32 ctl1 = le32_to_cpu(dma_desc[i].ctl1);
unsigned int len = ctl1 & BGMAC_DESC_CTL1_LEN;
slot = &ring->slots[i];
dev_kfree_skb(slot->skb);