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qlge: fix a timeout loop in ql_change_rx_buffers()

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The problem here is that after the loop we test for "if (!i) " but
because "i--" is a post-op we exit with i set to -1.  I have fixed this
by changing it to a pre-op instead.  I had to change the starting value
from 3 to 4 so that we still iterate 3 times.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dan Carpenter 2015-12-15 13:52:36 +03:00 committed by David S. Miller
parent c7557e6a56
commit 351434c6ba
1 changed files with 3 additions and 2 deletions
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5
drivers/net/ethernet/qlogic/qlge/qlge_main.c
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@ -4211,8 +4211,9 @@ static int ql_change_rx_buffers(struct ql_adapter *qdev)
/* Wait for an outstanding reset to complete. */
if (!test_bit(QL_ADAPTER_UP, &qdev->flags)) {
int i = 3;
while (i-- && !test_bit(QL_ADAPTER_UP, &qdev->flags)) {
int i = 4;
while (--i && !test_bit(QL_ADAPTER_UP, &qdev->flags)) {
netif_err(qdev, ifup, qdev->ndev,
"Waiting for adapter UP...\n");
ssleep(1);