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From
Date
SubjectRe: [PATCH] More compile warning fixes for 2.4.0
On 9 Jan 2001, at 10:51, Linus Torvalds wrote:

>
>
> On Tue, 9 Jan 2001, Albert D. Cahalan wrote:
>
> > [about labels w/o statements after them]
> >
> > >> Is this really a kernel bug? This is common idiom in C, so
gcc
> > >> shouldn't warn about it. If it does, it is a bug in gcc IMHO.
> > >
> > > No, it is not a common idiom in C. It has _never_ been valid
C.
> > >
> > > GCC originally allowed it due to a mistake in the grammar;
we
> > > now warn for it. Fix your source.
> >
> > Since neither -ansi nor -std=foo was specified, gcc should just
> > shut up and be happy. Consider this as another GNU
extension.
>
> No, it was a gcc bug that gcc accepted the syntax in the first
place.
>
> Let the gcc people fix the bugs they find without complaining
about them.
> After all, gcc would have been perfectly correct in signalling this
as a
> syntax error, and aborted compilation. The fact that gcc only
warns about
> it is a sign of grace - it's not as if it is a _useful_ extension that
> gives the programmer anything new and should be left in for that
reason.
>
> We'll fix up the kernel. That's where the bug is.
>
> Linus
>
> -
> To unsubscribe from this list: send the line "unsubscribe linux-
kernel" in
> the body of a message to majordomo@vger.kernel.org
> Please read the FAQ at http://www.tux.org/lkml/

Here's a patch that takes care of all warnings of this type I have
found in 2.4.0. If anyone else finds more of these warnings let me
know or look at me patch to see how to do it yourself.


diff -urN -X dontdiff linux/drivers/block/cpqarray.c rb/drivers/block/cpqarray.c
--- linux/drivers/block/cpqarray.c Thu Nov 16 14:30:29 2000
+++ rb/drivers/block/cpqarray.c Tue Jan 9 18:13:59 2001
@@ -1321,7 +1321,7 @@
case IDA_WRITE_MEDIA:
kfree(p);
break;
- default:
+ default:;
/* Nothing to do */
}

diff -urN -X dontdiff linux/drivers/cdrom/cm206.c rb/drivers/cdrom/cm206.c
--- linux/drivers/cdrom/cm206.c Fri Oct 27 01:35:47 2000
+++ rb/drivers/cdrom/cm206.c Fri Jan 5 20:36:20 2001
@@ -1283,7 +1283,7 @@
case 1:
kfree(cd);
release_region(cm206_base, 16);
- default:
+ default:;
}
}

diff -urN -X dontdiff linux/drivers/cdrom/mcd.c rb/drivers/cdrom/mcd.c
--- linux/drivers/cdrom/mcd.c Fri Oct 27 01:35:47 2000
+++ rb/drivers/cdrom/mcd.c Fri Jan 5 20:36:42 2001
@@ -1158,7 +1158,7 @@
return;
}
blk_cleanup_queue(BLK_DEFAULT_QUEUE(MAJOR_NR));
- default:
+ default:;
}
}

diff -urN -X dontdiff linux/drivers/char/ftape/lowlevel/fdc-isr.c rb/drivers/char/ftape/lowlevel/fdc-isr.c
--- linux/drivers/char/ftape/lowlevel/fdc-isr.c Mon Oct 16 14:58:51 2000
+++ rb/drivers/char/ftape/lowlevel/fdc-isr.c Fri Jan 5 20:43:04 2001
@@ -81,7 +81,7 @@
case overrun_error:
TRACE(ft_t_noise, "overrun error");
break;
- default:
+ default:;
}
TRACE_EXIT;
}
@@ -184,7 +184,7 @@
case no_data_error:
ft_history.no_data_errors++;
break;
- default:
+ default:;
}
}

diff -urN -X dontdiff linux/drivers/ieee1394/pcilynx.c rb/drivers/ieee1394/pcilynx.c
--- linux/drivers/ieee1394/pcilynx.c Wed Nov 29 00:45:16 2000
+++ rb/drivers/ieee1394/pcilynx.c Fri Jan 5 20:15:30 2001
@@ -1485,7 +1485,7 @@
pci_free_consistent(lynx->dev, LOCALRAM_SIZE, lynx->pcl_mem,
lynx->pcl_mem_dma);
#endif
- case clear:
+ case clear:;
/* do nothing - already freed */
}

diff -urN -X dontdiff linux/drivers/isdn/eicon/eicon_idi.c rb/drivers/isdn/eicon/eicon_idi.c
--- linux/drivers/isdn/eicon/eicon_idi.c Sun Aug 13 12:05:32 2000
+++ rb/drivers/isdn/eicon/eicon_idi.c Fri Jan 5 20:15:08 2001
@@ -2506,7 +2506,7 @@
case ISDN_PROTO_L2_TRANS:
idi_do_req(ccard, chan, N_CONNECT, 1);
break;
- default:
+ default:;
/* On most incoming calls we use automatic connect */
/* idi_do_req(ccard, chan, N_CONNECT, 1); */
}
diff -urN -X dontdiff linux/drivers/isdn/eicon/eicon_pci.c rb/drivers/isdn/eicon/eicon_pci.c
--- linux/drivers/isdn/eicon/eicon_pci.c Sun Aug 13 12:05:32 2000
+++ rb/drivers/isdn/eicon/eicon_pci.c Fri Jan 5 20:14:49 2001
@@ -86,7 +86,7 @@
printk(KERN_INFO "%s: DriverID='%s' CardID=%d\n",
eicon_ctype_name[ctype], did, card_id);
}
-err:
+err:;
}
pCard++;
}
diff -urN -X dontdiff linux/drivers/isdn/hisax/isac.c rb/drivers/isdn/hisax/isac.c
--- linux/drivers/isdn/hisax/isac.c Mon Nov 27 19:53:43 2000
+++ rb/drivers/isdn/hisax/isac.c Fri Jan 5 20:11:12 2001
@@ -445,7 +445,7 @@
if (cs->debug & L1_DEB_MONITOR)
debugl1(cs, "ISAC %02x -> MOX1", cs->dc.isac.mon_tx[cs->dc.isac.mon_txp -1]);
}
- AfterMOX1:
+ AfterMOX1:;
#endif
}
}
diff -urN -X dontdiff linux/drivers/isdn/isdn_tty.c rb/drivers/isdn/isdn_tty.c
--- linux/drivers/isdn/isdn_tty.c Mon Nov 27 19:53:43 2000
+++ rb/drivers/isdn/isdn_tty.c Fri Jan 5 20:05:44 2001
@@ -3773,7 +3773,7 @@
sprintf(ds, "\r\n%d", info->emu.charge);
isdn_tty_at_cout(ds, info);
break;
- default:
+ default:;
}
break;
#ifdef DUMMY_HAYES_AT
diff -urN -X dontdiff linux/drivers/isdn/isdn_v110.c rb/drivers/isdn/isdn_v110.c
--- linux/drivers/isdn/isdn_v110.c Sun Aug 6 14:43:42 2000
+++ rb/drivers/isdn/isdn_v110.c Fri Jan 5 20:05:29 2001
@@ -600,7 +600,7 @@
case ISDN_PROTO_L2_V11038:
dev->v110[idx] = isdn_v110_open(V110_38400, hdrlen, maxsize);
break;
- default:
+ default:;
}
if ((v = dev->v110[idx])) {
while (v->SyncInit) {
diff -urN -X dontdiff linux/drivers/md/md.c rb/drivers/md/md.c
--- linux/drivers/md/md.c Mon Dec 11 16:19:35 2000
+++ rb/drivers/md/md.c Fri Jan 5 20:04:59 2001
@@ -2588,7 +2588,7 @@
err = md_put_user (read_ahead[
MAJOR(dev)], (long *) arg);
goto done;
- default:
+ default:;
}

/*
@@ -2607,7 +2607,7 @@
err = -EEXIST;
goto abort;
}
- default:
+ default:;
}
switch (cmd)
{
@@ -2660,7 +2660,7 @@
}
goto done;

- default:
+ default:;
}

/*
diff -urN -X dontdiff linux/drivers/media/video/msp3400.c rb/drivers/media/video/msp3400.c
--- linux/drivers/media/video/msp3400.c Sun Dec 3 20:45:22 2000
+++ rb/drivers/media/video/msp3400.c Tue Jan 9 18:19:09 2001
@@ -1499,7 +1499,7 @@
(int)msp3400c_read(client, I2C_MSP3400C_DFP, 0x1c));
break;
#endif
- default:
+ default:;
/* nothing */
}
return 0;
diff -urN -X dontdiff linux/drivers/mtd/nftlmount.c rb/drivers/mtd/nftlmount.c
--- linux/drivers/mtd/nftlmount.c Fri Dec 29 17:07:22 2000
+++ rb/drivers/mtd/nftlmount.c Tue Jan 9 18:14:43 2001
@@ -118,7 +118,7 @@
break;
}
}
- ReplUnitTable:
+ ReplUnitTable:;
}

if (boot_record_count == 0) {
@@ -652,7 +652,7 @@
}
}
}
- examine_ReplUnitTable:
+ examine_ReplUnitTable:;
}

/* second pass to format unreferenced blocks and init free block count */
diff -urN -X dontdiff linux/net/802/cl2llc.c rb/net/802/cl2llc.c
--- linux/net/802/cl2llc.c Sat Nov 29 13:41:10 1997
+++ rb/net/802/cl2llc.c Fri Jan 5 20:02:42 2001
@@ -96,7 +96,7 @@
else
llc_interpret_pseudo_code(lp, REJECT1, skb, NO_FRAME);
break;
- default:
+ default:;
}
if(lp->llc_callbacks)
{
@@ -497,7 +497,7 @@
else
lp->f_flag = fr->i_hdr.i_pflag;
break;
- default:
+ default:;
}
pc++;
}
diff -urN -X dontdiff linux/net/802/llc_macinit.c rb/net/802/llc_macinit.c
--- linux/net/802/llc_macinit.c Mon Oct 16 14:42:53 2000
+++ rb/net/802/llc_macinit.c Fri Jan 5 20:02:22 2001
@@ -125,7 +125,7 @@
free=0;
break;

- default:
+ default:;
/*
* All other type 1 pdus ignored for now
*/

-
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