From: Arnd Bergmann <arnd@arndb.de>
To: kernel test robot <lkp@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>,
kbuild-all@lists.01.org,
Linux Memory Management List <linux-mm@kvack.org>,
Linus Walleij <linus.walleij@linaro.org>,
"moderated list:H8/300 ARCHITECTURE"
<uclinux-h8-devel@lists.sourceforge.jp>,
Yoshinori Sato <ysato@users.sourceforge.jp>
Subject: Re: [linux-next:pending-fixes 192/251] drivers/soc/ixp4xx/ixp4xx-qmgr.c:149:37: sparse: sparse: dereference of noderef expression
Date: Tue, 3 Aug 2021 10:19:39 +0200 [thread overview]
Message-ID: <CAK8P3a2HuXeTrADzf762jdWxoavrg9rBh6pEi2=GnX0deSQMog@mail.gmail.com> (raw)
In-Reply-To: <202108031526.pqcyKQWp-lkp@intel.com>
On Tue, Aug 3, 2021 at 9:01 AM kernel test robot <lkp@intel.com> wrote:
>
> sparse warnings: (new ones prefixed by >>)
> drivers/soc/ixp4xx/ixp4xx-qmgr.c: note: in included file (through include/linux/io.h, include/linux/irq.h, include/asm-generic/hardirq.h, ...):
> >> drivers/soc/ixp4xx/ixp4xx-qmgr.c:149:37: sparse: sparse: dereference of noderef expression
> drivers/soc/ixp4xx/ixp4xx-qmgr.c:153:40: sparse: sparse: dereference of noderef expression
> drivers/soc/ixp4xx/ixp4xx-qmgr.c:154:40: sparse: sparse: dereference of noderef expression
> arch/h8300/include/asm/io.h:44:11: sparse: sparse: cast removes address space '__iomem' of expression
> drivers/soc/ixp4xx/ixp4xx-qmgr.c:174:38: sparse: sparse: dereference of noderef expression
> drivers/soc/ixp4xx/ixp4xx-qmgr.c:174:44: sparse: sparse: dereference of noderef expression
I've sent a fix for this bug in the soc driver, and applied it to the
arm/fixes tree.
> arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '__iomem' of expression
> arch/h8300/include/asm/io.h:44:11: sparse: sparse: cast removes address space '__iomem' of expression
> arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '__iomem' of expression
> arch/h8300/include/asm/io.h:44:11: sparse: sparse: cast removes address space '__iomem' of expression
This is a bug in the h8300 architecture code. I have given up fixing
any of the nommu
targets. If anyone wants to send the trivial fix, please go ahead.
Arnd
prev parent reply other threads:[~2021-08-03 8:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-03 7:01 [linux-next:pending-fixes 192/251] drivers/soc/ixp4xx/ixp4xx-qmgr.c:149:37: sparse: sparse: dereference of noderef expression kernel test robot
2021-08-03 8:19 ` Arnd Bergmann [this message]
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