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SubjectRE: bugs in /usr/src/linux/net/ipv6/mcast.c
Date

Thanks. We're on 2.4.x For what it's worth, here are a few more I found:

/usr/src/linux/drivers/sound/vidc.c: extra semicolon near line 227

for (new2size = 128; new2size < newsize; new2size <<= 1); !!!
if (new2size - newsize > newsize - (new2size >> 1))
new2size >>= 1;
-----------------------------------------------------------
/usr/src/linux/sound/drivers/serialmidi.c: extra semicolon near line 441
if (serial->sdev); !!!
kfree(serial->sdev);
-----------------------------------------------------------
/usr/src/linux/drivers/s390/misc/chandev.c: extra semicolon near line 2031

if(chandev_find_eligible_channels(curr_chandev,
&read_chandev,
&write_chandev,
&data_chandev,
&next_chandev,
curr_force->chan_type)); !!!
{
-----------------------------------------------------------
/usr/src/linux/drivers/s390/misc/chandev.c: extra semicolong near line 2150

while(!atomic_compare_and_swap(TRUE,FALSE,&chandev_new_msck)); !!!
{
chandev_probe();
}
-----------------------------------------------------------
/usr/src/linux/drivers/s390/block/dasd.c: extra semicolon near line 1528

if (device->discipline->term_IO (cqr) != 0); !!!
cqr->status = CQR_STATUS_FAILED;
-----------------------------------------------------------
/usr/src/linux/drivers/scsi/ide-scsi.c: extra semicolon near line 855

for (id = 0;
id < MAX_HWIFS*MAX_DRIVES && idescsi_drives[id];
id++); !!!
idescsi_setup(drive, scsi, id);

-----------------------------------------------------------
/usr/src/linux/drivers/scsi/osst.c: extra semicolon near line 5264
for (nbr=0; osst_buffers[nbr] != STbuffer && nbr < osst_nbr_buffers; nbr++); !!!
printk(OSST_DEB_MSG
"osst :D: Expanded tape buffer %d (%d bytes, %d->%d segments, dma: %d, a: %p).\n",
nbr, got, STbuffer->orig_sg_segs, STbuffer->sg_segs, need_dma, STbuffer->b_data);
printk(OSST_DEB_MSG
"osst :D: segment sizes: first %d, last %d bytes.\n",
STbuffer->sg[0].length, STbuffer->sg[segs-1].length);

-----------------------------------------------------------
I'm not sure about this one, it sure looks hinky:

/usr/src/linux/abi/svr4/misc.c: extra semicolon near line 564:

for (p = tmp; *p; p++); !!!
p--;
might need to be:

for (p = tmp; *p; p++)
p--;
-----------------------------------------------------------
My C/C++ static analyzer reported several other things too, I'll send them in later.

Larry

-----Original Message-----
From: David S. Miller [mailto:davem@davemloft.net]
Sent: Wednesday, November 16, 2005 4:02 PM
To: lvc@lucent.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: bugs in /usr/src/linux/net/ipv6/mcast.c

From: "Cipriani, Lawrence V (Larry)" <lvc@lucent.com>
Date: Wed, 16 Nov 2005 09:53:07 -0500

> /usr/src/linux/net/ipv6/mcast.c: extra semicolon near line 609
> if (mc->sfmode == MCAST_INCLUDE && i >= psl->sl_count);
> rv = 0;
> should be:
> if (mc->sfmode == MCAST_EXCLUDE && i >= psl->sl_count)
> rv = 0;
>
> /usr/src/linux/net/ipv6/mcast.c: extra semicolon near line 611
> if (mc->sfmode == MCAST_EXCLUDE && i < psl->sl_count);
> rv = 0;
> should be:
> if (mc->sfmode == MCAST_EXCLUDE && i < psl->sl_count)
> rv = 0;

These have been fixed for a while now in 2.6.x
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