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net: dsa: mv88e6xxx: add default case to switch

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Add default case to switch in order to avoid any chance of using an
uninitialized variable _low_, in case s->type does not match any of
the listed case values.

Addresses-Coverity-ID: 1398130
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gustavo A. R. Silva 2017-05-11 22:11:29 -05:00 committed by David S. Miller
parent dbc2b5e9a0
commit 9fc3e4dc67
1 changed files with 3 additions and 0 deletions
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3
drivers/net/dsa/mv88e6xxx/chip.c
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@ -849,6 +849,9 @@ static uint64_t _mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip *chip,
mv88e6xxx_g1_stats_read(chip, reg, &low);
if (s->sizeof_stat == 8)
mv88e6xxx_g1_stats_read(chip, reg + 1, &high);
break;
default:
return UINT64_MAX;
}
value = (((u64)high) << 16) | low;
return value;