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ixgbevf: Fix signed/unsigned int error

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In the Tx mapping function if a DMA error occurred then the unwind of
previously mapped sections would improperly check an unsigned int if
it was less than zero.  Changed the index variable to signed to avoid
the error.

Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Greg Rose 2010-03-24 09:35:42 +00:00 committed by David S. Miller
parent 48c11a59c4
commit 65deeed7b3
1 changed files with 2 additions and 1 deletions
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3
drivers/net/ixgbevf/ixgbevf_main.c
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@ -2943,9 +2943,10 @@ static int ixgbevf_tx_map(struct ixgbevf_adapter *adapter,
struct ixgbevf_tx_buffer *tx_buffer_info;
unsigned int len;
unsigned int total = skb->len;
unsigned int offset = 0, size, count = 0, i;
unsigned int offset = 0, size, count = 0;
unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
unsigned int f;
int i;
i = tx_ring->next_to_use;