From 9fc3e4dc67fde953fd26adb3cea8f92597810b64 Mon Sep 17 00:00:00 2001 From: "Gustavo A. R. Silva" Date: Thu, 11 May 2017 22:11:29 -0500 Subject: [PATCH] net: dsa: mv88e6xxx: add default case to switch 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 Signed-off-by: Gustavo A. R. Silva Signed-off-by: David S. Miller --- drivers/net/dsa/mv88e6xxx/chip.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 19581d7..d034d8c 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -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; -- 2.7.4