diff options
| author |   Dan Carpenter <dan.carpenter@oracle.com> | 2015-12-15 13:12:29 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-12-15 12:43:01 -0500 |
| commit | c7557e6a56510ff6636d40ad4ff64a3ef7d9e197 (patch) | |
| tree | 5db9dc05cd2fc2dbbf17b1575bdaf01e73bc0094 /drivers/net/ethernet/amd | |
| parent | mISDN: fix a loop count (diff) | |
| download | linux-dev-c7557e6a56510ff6636d40ad4ff64a3ef7d9e197.tar.xz linux-dev-c7557e6a56510ff6636d40ad4ff64a3ef7d9e197.zip | |
amd-xgbe: fix a couple timeout loops
At the end of the loop we test "if (!count)" but because "count--" is
a post-op then the loop will end with count set to -1. I have fixed
this by changing it to --count.
Fixes: c5aa9e3b8156 ('amd-xgbe: Initial AMD 10GbE platform driver')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/amd')
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-dev.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c index 970781a9e677..f6a7161e3b85 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c @@ -1849,7 +1849,7 @@ static int xgbe_exit(struct xgbe_prv_data *pdata) usleep_range(10, 15); /* Poll Until Poll Condition */ - while (count-- && XGMAC_IOREAD_BITS(pdata, DMA_MR, SWR)) + while (--count && XGMAC_IOREAD_BITS(pdata, DMA_MR, SWR)) usleep_range(500, 600); if (!count) @@ -1873,7 +1873,7 @@ static int xgbe_flush_tx_queues(struct xgbe_prv_data *pdata) /* Poll Until Poll Condition */ for (i = 0; i < pdata->tx_q_count; i++) { count = 2000; - while (count-- && XGMAC_MTL_IOREAD_BITS(pdata, i, + while (--count && XGMAC_MTL_IOREAD_BITS(pdata, i, MTL_Q_TQOMR, FTQ)) usleep_range(500, 600); |