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authorRoel Kluin <roel.kluin@gmail.com>2010-01-19 14:21:45 +0000
committerDavid S. Miller <davem@davemloft.net>2010-01-20 16:21:22 -0800
commitc1fa347f20f17f14a4a1575727fa24340e8a9117 (patch)
tree520a4cc063e0f64030ddae6744970c7fcb0785db /drivers
parentb4ced2b768ab6c580148d1163c82a655fe147edc (diff)
e1000/e1000e/igb/igbvf/ixgb/ixgbe: Fix tests of unsigned in *_tx_map()
The variable count and i are unsigned so the (<|>=)0 tests do not work. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/e1000/e1000_main.c10
-rw-r--r--drivers/net/e1000e/netdev.c10
-rw-r--r--drivers/net/igbvf/netdev.c10
-rw-r--r--drivers/net/ixgb/ixgb_main.c10
-rw-r--r--drivers/net/ixgbe/ixgbe_main.c10
5 files changed, 25 insertions, 25 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 7e855f9bbd9..b3f67b41627 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -2802,13 +2802,13 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
dma_error:
dev_err(&pdev->dev, "TX DMA map failed\n");
buffer_info->dma = 0;
- count--;
-
- while (count >= 0) {
+ if (count)
count--;
- i--;
- if (i < 0)
+
+ while (count--) {
+ if (i==0)
i += tx_ring->count;
+ i--;
buffer_info = &tx_ring->buffer_info[i];
e1000_unmap_and_free_tx_resource(adapter, buffer_info);
}
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index c45965a256b..f91f247ed6a 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -3962,13 +3962,13 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
dma_error:
dev_err(&pdev->dev, "TX DMA map failed\n");
buffer_info->dma = 0;
- count--;
-
- while (count >= 0) {
+ if (count)
count--;
- i--;
- if (i < 0)
+
+ while (count--) {
+ if (i==0)
i += tx_ring->count;
+ i--;
buffer_info = &tx_ring->buffer_info[i];
e1000_put_txbuf(adapter, buffer_info);;
}
diff --git a/drivers/net/igbvf/netdev.c b/drivers/net/igbvf/netdev.c
index 0dbd0320023..10e038adba0 100644
--- a/drivers/net/igbvf/netdev.c
+++ b/drivers/net/igbvf/netdev.c
@@ -2163,14 +2163,14 @@ dma_error:
buffer_info->length = 0;
buffer_info->next_to_watch = 0;
buffer_info->mapped_as_page = false;
- count--;
+ if (count)
+ count--;
/* clear timestamp and dma mappings for remaining portion of packet */
- while (count >= 0) {
- count--;
- i--;
- if (i < 0)
+ while (count--) {
+ if (i==0)
i += tx_ring->count;
+ i--;
buffer_info = &tx_ring->buffer_info[i];
igbvf_put_txbuf(adapter, buffer_info);
}
diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
index bcd0f01d5fe..593d1a4f217 100644
--- a/drivers/net/ixgb/ixgb_main.c
+++ b/drivers/net/ixgb/ixgb_main.c
@@ -1363,13 +1363,13 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb,
dma_error:
dev_err(&pdev->dev, "TX DMA map failed\n");
buffer_info->dma = 0;
- count--;
-
- while (count >= 0) {
+ if (count)
count--;
- i--;
- if (i < 0)
+
+ while (count--) {
+ if (i==0)
i += tx_ring->count;
+ i--;
buffer_info = &tx_ring->buffer_info[i];
ixgb_unmap_and_free_tx_resource(adapter, buffer_info);
}
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 9c9202f40b1..6d61add27a0 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -5167,14 +5167,14 @@ dma_error:
tx_buffer_info->dma = 0;
tx_buffer_info->time_stamp = 0;
tx_buffer_info->next_to_watch = 0;
- count--;
+ if (count)
+ count--;
/* clear timestamp and dma mappings for remaining portion of packet */
- while (count >= 0) {
- count--;
- i--;
- if (i < 0)
+ while (count--) {
+ if (i==0)
i += tx_ring->count;
+ i--;
tx_buffer_info = &tx_ring->tx_buffer_info[i];
ixgbe_unmap_and_free_tx_resource(adapter, tx_buffer_info);
}