On Wed, 2007-08-15 at 19:19 -0700, Kok, Auke wrote:
> Joe Perches wrote:
> > On Wed, 2007-08-15 at 19:58 -0400, Dave Jones wrote:
> > There's more than a few of these (not inspected).
> > $ egrep -r --include=*.c "\bif[[:space:]]*\([^\)]*\)[[:space:]]*\;" *
> > arch/sh/boards/se/7343/io.c: if (0) ;
> > drivers/atm/iphase.c: if (!desc1) ;
> > drivers/infiniband/hw/mlx4/mad.c: if (!err);
> > drivers/isdn/capi/capiutil.c: else if (c <= 0x0f);
> > drivers/net/tokenring/ibmtr.c: else if (ti->shared_ram_paging == 0xf); /* No paging in adapter */
> > drivers/s390/scsi/zfcp_erp.c: if (status == ZFCP_ERP_SUCCEEDED) ; /* no further action */
> > fs/hostfs/hostfs_user.c: if(attrs->ia_valid & HOSTFS_ATTR_CTIME) ;
> > net/netfilter/xt_u32.c: if (skb->len < 4 || pos > skb->len - 4);
> > sound/pci/au88x0/au88x0_synth.c: if (eax == 0) ;
>
> sounds like an excellent candidate check for checkpatch.pl !!!
I think it's poor style and all of these should go away.
the netfilter one appears to be a real error too.
Signed-off-by: Joe Perches <[email protected]>
diff --git a/net/netfilter/xt_u32.c b/net/netfilter/xt_u32.c
index 74f9b14..bec4279 100644
--- a/net/netfilter/xt_u32.c
+++ b/net/netfilter/xt_u32.c
@@ -36,7 +36,7 @@ static bool u32_match_it(const struct xt_u32 *data,
at = 0;
pos = ct->location[0].number;
- if (skb->len < 4 || pos > skb->len - 4);
+ if (skb->len < 4 || pos > skb->len - 4)
return false;
ret = skb_copy_bits(skb, pos, &n, sizeof(n));
-
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