diff options
| author | Florian Fainelli <f.fainelli@gmail.com> | 2016-07-15 15:42:52 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-16 09:33:16 +0200 |
| commit | d50a80bb26099d166e710a4ba074216f06a0011d (patch) | |
| tree | 9113914cfd97dc31b1bcb3d1099c938a1020f8d8 | |
| parent | 2f9aa4c1fc4462b79969fe05d2abf2f78c708ceb (diff) | |
net: bgmac: Fix infinite loop in bgmac_dma_tx_add()
[ Upstream commit e86663c475d384ab5f46cb5637e9b7ad08c5c505 ]
Nothing is decrementing the index "i" while we are cleaning up the
fragments we could not successful transmit.
Fixes: 9cde94506eacf ("bgmac: implement scatter/gather support")
Reported-by: coverity (CID 1352048)
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/net/ethernet/broadcom/bgmac.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c index 38db2e4d7d54..832401b41b98 100644 --- a/drivers/net/ethernet/broadcom/bgmac.c +++ b/drivers/net/ethernet/broadcom/bgmac.c @@ -231,7 +231,7 @@ err_dma: dma_unmap_single(dma_dev, slot->dma_addr, skb_headlen(skb), DMA_TO_DEVICE); - while (i > 0) { + while (i-- > 0) { int index = (ring->end + i) % BGMAC_TX_RING_SLOTS; struct bgmac_slot_info *slot = &ring->slots[index]; u32 ctl1 = le32_to_cpu(ring->cpu_base[index].ctl1); |