From: Adrian Bunk <bunk@fs.tum.de>
To: dwmw2@redhat.com
Cc: mtd@infradead.org, linux-kernel@vger.kernel.org, trivial@rustcorp.com.au
Subject: [patch]
Date: Wed, 30 Jul 2003 18:31:00 +0200 [thread overview]
Message-ID: <20030730163100.GC19356@fs.tum.de> (raw)
gcc 3.3 correctly gives the following warning:
<-- snip -->
...
CC drivers/mtd/ftl.o
drivers/mtd/ftl.c: In function `scan_header':
drivers/mtd/ftl.c:191: warning: comparison is always false due to
limited range
...
<-- snip -->
Looking at the code it seems gcc is correct, a 16bit number can _never_
be > 65536.
The following patch removes this comparison:
--- linux-2.6.0-test2-full/drivers/mtd/ftl.c.old 2003-07-30 13:04:05.000000000 +0200
+++ linux-2.6.0-test2-full/drivers/mtd/ftl.c 2003-07-30 13:04:13.000000000 +0200
@@ -188,7 +188,7 @@
printk(KERN_NOTICE "ftl_cs: FTL header not found.\n");
return -ENOENT;
}
- if ((le16_to_cpu(header.NumEraseUnits) > 65536) || header.BlockSize != 9 ||
+ if (header.BlockSize != 9 ||
(header.EraseUnitSize < 10) || (header.EraseUnitSize > 31) ||
(header.NumTransferUnits >= le16_to_cpu(header.NumEraseUnits))) {
printk(KERN_NOTICE "ftl_cs: FTL header corrupt!\n");
I've tested the compilation with 2.6.0-test2 and 2.4.22-pre9.
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
next reply other threads:[~2003-07-30 16:31 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-30 16:31 Adrian Bunk [this message]
-- strict thread matches above, loose matches on Subject: below --
2022-02-02 21:26 [PATCH] Sergey Shtylyov
2017-07-09 23:58 [PATCH] armetallica
2017-07-09 23:54 ` [PATCH] Kershner, David A
2017-07-09 23:35 [PATCH] armetallica
2017-07-20 15:06 ` [PATCH] Mauro Carvalho Chehab
2013-12-24 15:45 [PATCH] Evan Hosseini
2014-01-09 18:27 ` [PATCH] Greg KH
2012-03-04 20:34 [PATCH] Stefan Richter
2012-03-04 20:36 ` [PATCH] Stefan Richter
2011-08-11 21:29 [PATCH] Rafael J. Wysocki
2010-09-19 2:25 [PATCH] Junio C Hamano
2010-09-19 9:54 ` [PATCH] Sam Ravnborg
2010-09-19 18:21 ` [PATCH] Junio C Hamano
2010-09-19 19:31 ` [PATCH] Sam Ravnborg
2010-09-20 12:11 ` [PATCH] Michal Marek
2010-08-14 12:43 [PATCH] Sam Ravnborg
2009-04-07 16:20 [PATCH] Christoph Hellwig
2008-10-15 7:03 [PATCH] Tim Shimmin
2007-12-03 15:54 [PATCH] Andries E. Brouwer
2007-12-03 17:06 ` [PATCH] Alan Cox
2007-04-01 18:13 [PATCH 0/16] Assorted patches Jan Engelhardt
2007-04-01 18:15 ` [PATCH 07/16] kconfig-dynamic-frequency.diff Jan Engelhardt
2007-04-01 18:39 ` Kyle Moffett
2007-04-01 18:42 ` Jan Engelhardt
2007-04-01 18:52 ` Kyle Moffett
2007-04-01 19:01 ` Jan Engelhardt
2007-04-01 19:42 ` [PATCH] Kyle Moffett
2007-04-01 19:47 ` [PATCH] Jan Engelhardt
2007-04-01 20:07 ` [PATCH] Kyle Moffett
2007-04-01 23:03 ` [PATCH] Andi Kleen
2007-02-21 21:23 [PATCH] James Simmons
2006-07-15 18:43 [PATCH] Chris Boot
2006-03-24 23:07 [PATCH] Daniel Walker
2006-03-24 23:19 ` [PATCH] john stultz
2006-03-24 23:22 ` [PATCH] Daniel Walker
2006-03-10 14:47 [PATCH] Kumar Gala
2006-03-10 15:05 ` [PATCH] Kumar Gala
2005-06-15 11:41 [PATCH] Jan Beulich
2004-11-18 20:17 [PATCH] Colin Leroy
2004-08-10 2:49 [PATCH] Roland McGrath
2004-08-05 13:51 [PATCH] Michal Ludvig
2004-08-05 14:11 ` [PATCH] James Morris
2004-08-05 19:49 ` [PATCH] Jean-Luc Cooke
2004-08-06 2:47 ` [PATCH] James Morris
2004-08-06 2:03 ` [PATCH] Michael Halcrow
2004-08-06 4:58 ` [PATCH] Linus Torvalds
2004-08-06 13:03 ` [PATCH] Jean-Luc Cooke
2004-08-06 3:36 ` [PATCH] YOSHIFUJI Hideaki / 吉藤英明
2004-08-06 4:21 ` [PATCH] David S. Miller
2004-08-06 4:28 ` [PATCH] Jean-Luc Cooke
2004-08-06 4:42 ` [PATCH] James Morris
2004-08-06 12:54 ` [PATCH] Jean-Luc Cooke
2004-08-06 18:26 ` [PATCH] David S. Miller
2004-08-06 18:36 ` [PATCH] Jean-Luc Cooke
2004-08-06 23:24 ` [PATCH] Matt Mackall
2004-08-07 3:01 ` [PATCH] Jean-Luc Cooke
2004-08-07 22:26 ` [PATCH] Theodore Ts'o
2004-08-08 15:38 ` [PATCH] Jean-Luc Cooke
2004-08-09 18:43 ` [PATCH] Theodore Ts'o
2004-08-09 18:49 ` [PATCH] Jean-Luc Cooke
2004-08-10 0:22 ` [PATCH] Theodore Ts'o
2003-08-11 13:40 [PATCH] davej
2002-08-06 23:04 [PATCH] Paul Mackerras
2002-04-15 18:39 [PATCH] Andre Hedrick
2002-04-15 19:09 ` [PATCH] Josh McKinney
2002-04-15 19:16 ` [PATCH] Andre Hedrick
2002-04-15 19:59 ` [PATCH] Andre Hedrick
2002-04-16 3:11 ` [PATCH] Josh McKinney
2002-04-16 4:11 ` [PATCH] Andre Hedrick
2002-04-16 5:53 ` [PATCH] Jens Axboe
2002-04-16 6:51 ` [PATCH] Andre Hedrick
2002-04-16 6:54 ` [PATCH] Jens Axboe
2002-04-16 7:04 ` [PATCH] Andre Hedrick
2001-10-25 17:24 [PATCH] Christoph Hellwig
2000-11-07 23:20 [PATCH] Bartlomiej Zolnierkiewicz
2000-11-07 23:09 [PATCH] Bartlomiej Zolnierkiewicz
2000-11-07 23:30 ` [PATCH] Bartlomiej Zolnierkiewicz
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