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sfc: fix a timeout loop

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We test for if "tries" is zero at the end but "tries--" is a post-op so
it will end with "tries" set to -1.  I have changed it to a pre-op
instead.

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 14:06:08 +03:00 committed by David S. Miller
parent 351434c6ba
commit fe0be35e2c
1 changed files with 1 additions and 1 deletions
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drivers/net/ethernet/sfc/txc43128_phy.c
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@ -418,7 +418,7 @@ static void txc_reset_logic_mmd(struct efx_nic *efx, int mmd)
val |= (1 << TXC_GLCMD_LMTSWRST_LBN);
efx_mdio_write(efx, mmd, TXC_GLRGS_GLCMD, val);
while (tries--) {
while (--tries) {
val = efx_mdio_read(efx, mmd, TXC_GLRGS_GLCMD);
if (!(val & (1 << TXC_GLCMD_LMTSWRST_LBN)))
break;