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| author | Stephen Hemminger <shemminger@osdl.org> | 2006-02-22 11:44:59 -0800 |
|---|---|---|
| committer | Francois Romieu <romieu@fr.zoreil.com> | 2006-02-23 01:23:40 +0100 |
| commit | ff81fbbe321c3a468b6225c673ca57efa501fbed (patch) | |
| tree | ae715c27debaee2ef0bc1f36faccc7ef8bac2b09 | |
| parent | 977bdf06ca8dd7ed081fab8d30249d9e6b1c24d3 (diff) | |
| download | linux-ff81fbbe321c3a468b6225c673ca57efa501fbed.tar.gz linux-ff81fbbe321c3a468b6225c673ca57efa501fbed.tar.bz2 linux-ff81fbbe321c3a468b6225c673ca57efa501fbed.zip | |
[PATCH] sky2: limit coalescing values to ring size
Don't allow coalescing values to be bigger than the transmit ring.
Since if you set them that big, the interrupt never happens and driver
livelocks.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
| -rw-r--r-- | drivers/net/sky2.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index ce135b84a54c..cf7fd28d6776 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -2884,11 +2884,11 @@ static int sky2_set_coalesce(struct net_device *dev, (ecmd->rx_coalesce_usecs_irq < tmin || ecmd->rx_coalesce_usecs_irq > tmax)) return -EINVAL; - if (ecmd->tx_max_coalesced_frames > 0xffff) + if (ecmd->tx_max_coalesced_frames >= TX_RING_SIZE-1) return -EINVAL; - if (ecmd->rx_max_coalesced_frames > 0xff) + if (ecmd->rx_max_coalesced_frames > RX_MAX_PENDING) return -EINVAL; - if (ecmd->rx_max_coalesced_frames_irq > 0xff) + if (ecmd->rx_max_coalesced_frames_irq >RX_MAX_PENDING) return -EINVAL; if (ecmd->tx_coalesce_usecs == 0) |