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| author |   Florian Fainelli <f.fainelli@gmail.com> | 2016-07-15 15:42:52 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-07-15 16:03:47 -0700 |
| commit | e86663c475d384ab5f46cb5637e9b7ad08c5c505 (patch) | |
| tree | 73991452764e36e6e42e149141ec1680bff58f39 | |
| parent | Merge branch 'mlxsw-fixes' (diff) | |
| download | linux-dev-e86663c475d384ab5f46cb5637e9b7ad08c5c505.tar.xz linux-dev-e86663c475d384ab5f46cb5637e9b7ad08c5c505.zip | |
net: bgmac: Fix infinite loop in bgmac_dma_tx_add()
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>
Diffstat (limited to '')
| -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 a6333d38ecc0..25bbae5928d4 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); |