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gianfar: correct filer table writing 

MAX_FILER_IDX is the last usable index.  Using less-than
will already guarantee that one entry for catch-all rule
will be left, no need to subtract 1 here.

Signed-off-by: Jakub Kicinski <kubakici@wp.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2015-08-12 02:41:55 +02:00 committed by David S. Miller
parent b02e3e948d
commit a898fe040f
1 changed files with 2 additions and 3 deletions
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5
drivers/net/ethernet/freescale/gianfar_ethtool.c
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@ -1583,11 +1583,10 @@ static int gfar_write_filer_table(struct gfar_private *priv,
return -EBUSY;
/* Fill regular entries */
for (; i < MAX_FILER_IDX - 1 && (tab->fe[i].ctrl | tab->fe[i].prop);
i++)
for (; i < MAX_FILER_IDX && (tab->fe[i].ctrl | tab->fe[i].prop); i++)
gfar_write_filer(priv, i, tab->fe[i].ctrl, tab->fe[i].prop);
/* Fill the rest with fall-troughs */
for (; i < MAX_FILER_IDX - 1; i++)
for (; i < MAX_FILER_IDX; i++)
gfar_write_filer(priv, i, 0x60, 0xFFFFFFFF);
/* Last entry must be default accept
* because that's what people expect