Messages in this thread | | | Date | Sun, 17 Jun 2018 20:57:38 +0200 | From | Stefan Agner <> | Subject | Re: [PATCH] net: hamradio: remove unused variable |
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On 17.06.2018 20:15, Joe Perches wrote: > On Sun, 2018-06-17 at 15:03 +0200, Stefan Agner wrote: >> The array bpq_eth_addr is only used to get the size of an >> address. Remove the array and use the size of the array >> bcast_addr which is actually copied. >> >> Also constify and tidy up the bcast_addr declaration. >> >> This fixes a warning seen with clang: >> drivers/net/hamradio/bpqether.c:94:13: warning: variable 'bpq_eth_addr' is not >> needed and will not be emitted [-Wunneeded-internal-declaration] >> static char bpq_eth_addr[6]; >> ^ >> 1 warning generated. >> >> Signed-off-by: Stefan Agner <stefan@agner.ch> >> --- >> drivers/net/hamradio/bpqether.c | 8 +++----- >> 1 file changed, 3 insertions(+), 5 deletions(-) >> >> diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c >> index f347fd9c5b28..8c9c9977241e 100644 >> --- a/drivers/net/hamradio/bpqether.c >> +++ b/drivers/net/hamradio/bpqether.c >> @@ -89,9 +89,7 @@ >> static const char banner[] __initconst = KERN_INFO \ >> "AX.25: bpqether driver version 004\n"; >> >> -static char bcast_addr[6]={0xFF,0xFF,0xFF,0xFF,0xFF,0xFF}; >> - >> -static char bpq_eth_addr[6]; >> +static const char bcast_addr[6] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; >> >> static int bpq_rcv(struct sk_buff *, struct net_device *, struct packet_type *, struct net_device *); >> static int bpq_device_event(struct notifier_block *, unsigned long, void *); >> @@ -501,8 +499,8 @@ static int bpq_new_device(struct net_device *edev) >> bpq->ethdev = edev; >> bpq->axdev = ndev; >> >> - memcpy(bpq->dest_addr, bcast_addr, sizeof(bpq_eth_addr)); >> - memcpy(bpq->acpt_addr, bcast_addr, sizeof(bpq_eth_addr)); >> + memcpy(bpq->dest_addr, bcast_addr, sizeof(bcast_addr)); >> + memcpy(bpq->acpt_addr, bcast_addr, sizeof(bcast_addr)); > > Probably better to remove bcast_addr altogether and use > > eth_broadcast_addr(bpq->dst_addr); > eth_broadcast_addr(bpq->acpt_addr); >
Sounds sensible, will send a v2.
-- Stefan
> >> >> err = register_netdevice(ndev); >> if (err)
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