From: Kent Yoder Date: Tue, 04 Sep 2012 16:13:30 +0000 Subject: Re: [PATCH] tpm: fix tpm_acpi sparse warning on different address spaces Message-Id: <20120904161330.GA20588@linux.vnet.ibm.com> List-Id: References: <20120830143839.GA9589@linux.vnet.ibm.com> <20120830174556.GD20741@mwanda> <20120830192155.GA25524@linux.vnet.ibm.com> <20120902163030.GB1840@mwanda> In-Reply-To: <20120902163030.GB1840@mwanda> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Dan Carpenter Cc: James Morris , linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, tpmdd-devel@lists.sourceforge.net, kernel-janitors@vger.kernel.org, Fengguang Wu On Sun, Sep 02, 2012 at 09:30:30AM -0700, Dan Carpenter wrote: > Sparse finds that bug as well. ;) > > drivers/acpi/acpica/tbfadt.c:247:15: warning: incorrect type in assignment (different address spaces) > drivers/acpi/acpica/tbfadt.c:247:15: expected struct acpi_table_header *table > drivers/acpi/acpica/tbfadt.c:247:15: got void [noderef] * > drivers/acpi/acpica/tbfadt.c:266:30: warning: incorrect type in argument 1 (different address spaces) > drivers/acpi/acpica/tbfadt.c:266:30: expected void [noderef] *logical_address > drivers/acpi/acpica/tbfadt.c:266:30: got struct acpi_table_header *table > > It should be memcpy_fromio() probably. Thanks Dan, that's clearly better. James, I'll resubmit this one today. Thanks, Kent