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Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_ib.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index 8238766746b..eee82363167 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -81,7 +81,7 @@ void ipoib_free_ah(struct kref *kref)
unsigned long flags;
- if (ah->last_send <= priv->tx_tail) {
+ if ((int) priv->tx_tail - (int) ah->last_send >= 0) {
ipoib_dbg(priv, "Freeing ah %p\n", ah->ah);
ib_destroy_ah(ah->ah);
kfree(ah);
@@ -355,7 +355,7 @@ static void __ipoib_reap_ah(struct net_device *dev)
spin_lock_irq(&priv->lock);
list_for_each_entry_safe(ah, tah, &priv->dead_ahs, list)
- if (ah->last_send <= priv->tx_tail) {
+ if ((int) priv->tx_tail - (int) ah->last_send >= 0) {
list_del(&ah->list);
list_add_tail(&ah->list, &remove_list);
}
@@ -486,7 +486,7 @@ int ipoib_ib_dev_stop(struct net_device *dev)
* assume the HW is wedged and just free up
* all our pending work requests.
*/
- while (priv->tx_tail < priv->tx_head) {
+ while ((int) priv->tx_tail - (int) priv->tx_head < 0) {
tx_req = &priv->tx_ring[priv->tx_tail &
(IPOIB_TX_RING_SIZE - 1)];
dma_unmap_single(priv->ca->dma_device,