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28 Dec 2021 07:11:10 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,242,1635231600"; d="scan'208";a="686607693" Received: from lkp-server01.sh.intel.com (HELO e357b3ef1427) ([10.239.97.150]) by orsmga005.jf.intel.com with ESMTP; 28 Dec 2021 07:11:07 -0800 Received: from kbuild by e357b3ef1427 with local (Exim 4.92) (envelope-from ) id 1n2E82-0007fi-Th; Tue, 28 Dec 2021 15:11:06 +0000 Date: Tue, 28 Dec 2021 23:10:38 +0800 From: kernel test robot To: Kees Cook Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Andrew Morton , Linux Memory Management List Subject: drivers/char/tpm/tpm_ibmvtpm.c:366:30: sparse: sparse: incorrect type in argument 1 (different address spaces) Message-ID: <202112282355.7mLEOz0w-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 14033140006 X-Stat-Signature: m57apomwt1s71f1eskoxjogiqwtokiy1 Authentication-Results: imf26.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=TkOEVc2g; spf=none (imf26.hostedemail.com: domain of lkp@intel.com has no SPF policy when checking 192.55.52.115) smtp.mailfrom=lkp@intel.com; dmarc=pass (policy=none) header.from=intel.com X-HE-Tag: 1640704288-65628 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.gi= t master head: a8ad9a2434dc7967ab285437f443cae633b6fc1c commit: 72d67229f522e3331d1eabd9f58d36ae080eb228 slab: clean up function = prototypes date: 7 weeks ago config: powerpc64-randconfig-s032-20211228 (https://download.01.org/0day-= ci/archive/20211228/202112282355.7mLEOz0w-lkp@intel.com/config) compiler: powerpc64-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbi= n/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.= git/commit/?id=3D72d67229f522e3331d1eabd9f58d36ae080eb228 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/= git/torvalds/linux.git git fetch --no-tags linus master git checkout 72d67229f522e3331d1eabd9f58d36ae080eb228 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=3D$HOME/0day COMPILER=3Dgcc-11.2.0 make.cro= ss C=3D1 CF=3D'-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=3Dbuild_dir ARCH= =3Dpowerpc SHELL=3D/bin/bash drivers/char/tpm/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) drivers/char/tpm/tpm_ibmvtpm.c:125:30: sparse: sparse: cast removes ad= dress space '__iomem' of expression drivers/char/tpm/tpm_ibmvtpm.c:126:23: sparse: sparse: incorrect type = in argument 1 (different address spaces) @@ expected void * @@ go= t void [noderef] __iomem *rtce_buf @@ drivers/char/tpm/tpm_ibmvtpm.c:126:23: sparse: expected void * drivers/char/tpm/tpm_ibmvtpm.c:126:23: sparse: got void [noderef] = __iomem *rtce_buf drivers/char/tpm/tpm_ibmvtpm.c:229:17: sparse: sparse: cast removes ad= dress space '__iomem' of expression >> drivers/char/tpm/tpm_ibmvtpm.c:366:30: sparse: sparse: incorrect type = in argument 1 (different address spaces) @@ expected void const *objp= @@ got void [noderef] __iomem *rtce_buf @@ drivers/char/tpm/tpm_ibmvtpm.c:366:30: sparse: expected void const= *objp drivers/char/tpm/tpm_ibmvtpm.c:366:30: sparse: got void [noderef] = __iomem *rtce_buf drivers/char/tpm/tpm_ibmvtpm.c:525:43: sparse: sparse: incorrect type = in assignment (different address spaces) @@ expected void [noderef] _= _iomem *rtce_buf @@ got void * @@ drivers/char/tpm/tpm_ibmvtpm.c:525:43: sparse: expected void [node= ref] __iomem *rtce_buf drivers/char/tpm/tpm_ibmvtpm.c:525:43: sparse: got void * drivers/char/tpm/tpm_ibmvtpm.c:532:52: sparse: sparse: incorrect type = in argument 2 (different address spaces) @@ expected void *ptr @@ = got void [noderef] __iomem *rtce_buf @@ drivers/char/tpm/tpm_ibmvtpm.c:532:52: sparse: expected void *ptr drivers/char/tpm/tpm_ibmvtpm.c:532:52: sparse: got void [noderef] = __iomem *rtce_buf drivers/char/tpm/tpm_ibmvtpm.c:538:46: sparse: sparse: incorrect type = in argument 1 (different address spaces) @@ expected void const *objp= @@ got void [noderef] __iomem *rtce_buf @@ drivers/char/tpm/tpm_ibmvtpm.c:538:46: sparse: expected void const= *objp drivers/char/tpm/tpm_ibmvtpm.c:538:46: sparse: got void [noderef] = __iomem *rtce_buf vim +366 drivers/char/tpm/tpm_ibmvtpm.c 132f7629474424 Ashley Lai 2012-08-22 336 =20 132f7629474424 Ashley Lai 2012-08-22 337 /** 132f7629474424 Ashley Lai 2012-08-22 338 * tpm_ibmvtpm_rem= ove - ibm vtpm remove entry point 132f7629474424 Ashley Lai 2012-08-22 339 * @vdev: vio devi= ce struct 132f7629474424 Ashley Lai 2012-08-22 340 * 93c12f293f8798 Winkler, Tomas 2016-11-23 341 * Return: Always = 0. 132f7629474424 Ashley Lai 2012-08-22 342 */ 386a966f5ce71a Uwe Kleine-K=F6nig 2021-02-25 343 static void tpm_= ibmvtpm_remove(struct vio_dev *vdev) 132f7629474424 Ashley Lai 2012-08-22 344 { 9e0d39d8a6a0a8 Christophe Ricard 2016-03-31 345 struct tpm_chip *= chip =3D dev_get_drvdata(&vdev->dev); 9e0d39d8a6a0a8 Christophe Ricard 2016-03-31 346 struct ibmvtpm_de= v *ibmvtpm =3D dev_get_drvdata(&chip->dev); 132f7629474424 Ashley Lai 2012-08-22 347 int rc =3D 0; 132f7629474424 Ashley Lai 2012-08-22 348 =20 afb5abc262e962 Jarkko Sakkinen 2014-12-12 349 tpm_chip_unregist= er(chip); afb5abc262e962 Jarkko Sakkinen 2014-12-12 350 =20 132f7629474424 Ashley Lai 2012-08-22 351 free_irq(vdev->ir= q, ibmvtpm); 132f7629474424 Ashley Lai 2012-08-22 352 =20 132f7629474424 Ashley Lai 2012-08-22 353 do { 132f7629474424 Ashley Lai 2012-08-22 354 if (rc) 132f7629474424 Ashley Lai 2012-08-22 355 msleep(100); 132f7629474424 Ashley Lai 2012-08-22 356 rc =3D plpar_hca= ll_norets(H_FREE_CRQ, vdev->unit_address); 132f7629474424 Ashley Lai 2012-08-22 357 } while (rc =3D=3D= H_BUSY || H_IS_LONG_BUSY(rc)); 132f7629474424 Ashley Lai 2012-08-22 358 =20 132f7629474424 Ashley Lai 2012-08-22 359 dma_unmap_single(= ibmvtpm->dev, ibmvtpm->crq_dma_handle, 132f7629474424 Ashley Lai 2012-08-22 360 CRQ_RES_BUF_SI= ZE, DMA_BIDIRECTIONAL); 132f7629474424 Ashley Lai 2012-08-22 361 free_page((unsign= ed long)ibmvtpm->crq_queue.crq_addr); 132f7629474424 Ashley Lai 2012-08-22 362 =20 132f7629474424 Ashley Lai 2012-08-22 363 if (ibmvtpm->rtce= _buf) { 132f7629474424 Ashley Lai 2012-08-22 364 dma_unmap_single= (ibmvtpm->dev, ibmvtpm->rtce_dma_handle, 132f7629474424 Ashley Lai 2012-08-22 365 ibmvtpm->rtce= _size, DMA_BIDIRECTIONAL); 132f7629474424 Ashley Lai 2012-08-22 @366 kfree(ibmvtpm->r= tce_buf); 132f7629474424 Ashley Lai 2012-08-22 367 } 132f7629474424 Ashley Lai 2012-08-22 368 =20 132f7629474424 Ashley Lai 2012-08-22 369 kfree(ibmvtpm); 31574d321c70f6 Hon Ching \(Vicky\ Lo 2017-03-15 370) /* For tpm_ibmvtp= m_get_desired_dma */ 31574d321c70f6 Hon Ching \(Vicky\ Lo 2017-03-15 371) dev_set_drvdata(&= vdev->dev, NULL); 132f7629474424 Ashley Lai 2012-08-22 372 } 132f7629474424 Ashley Lai 2012-08-22 373 =20 :::::: The code at line 366 was first introduced by commit :::::: 132f7629474424418a5cdd666796ad3cfa4dc0c5 drivers/char/tpm: Add new= device driver to support IBM vTPM :::::: TO: Ashley Lai :::::: CC: Kent Yoder --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org