net: tg3: avoid uninitialized variable warning

commit e434e04110704eb91acfecbd0fb8ca8e2da9c29b upstream.

The tg3_set_eeprom() function correctly initializes the 'start' variable,
but gcc generates a false warning:

drivers/net/ethernet/broadcom/tg3.c: In function 'tg3_set_eeprom':
drivers/net/ethernet/broadcom/tg3.c:12057:4: warning: 'start' may be used uninitialized in this function [-Wmaybe-uninitialized]

I have not come up with a way to restructure the code in a way that
avoids the warning without making it less readable, so this adds an
initialization for the declaration to shut up that warning.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 49056c33be74d05e19d2a60f6003b3c51fccbef0..21e5b9ed1ead4d28629bd647a662d730d92e1aed 100644 (file)
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -12031,7 +12031,7 @@ static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
        int ret;
        u32 offset, len, b_offset, odd_len;
        u8 *buf;
-       __be32 start, end;
+       __be32 start = 0, end;
 
        if (tg3_flag(tp, NO_NVRAM) ||
            eeprom->magic != TG3_EEPROM_MAGIC)