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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/net/igbvf/netdev.c
parentb4ced2b768ab6c580148d1163c82a655fe147edc (diff)
downloadlinux-next-c1fa347f20f17f14a4a1575727fa24340e8a9117.tar.gz
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/net/igbvf/netdev.c')
-rw-r--r--drivers/net/igbvf/netdev.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/net/igbvf/netdev.c b/drivers/net/igbvf/netdev.c
index 0dbd0320023a..10e038adba0f 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);
}