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Message-ID: <202312030323.INGDtNZn-lkp@intel.com>
Date: Sun, 3 Dec 2023 14:31:45 +0800
From: kernel test robot <lkp@...el.com>
To: Marco Elver <elver@...gle.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
Linux Memory Management List <linux-mm@...ck.org>
Subject: drivers/char/tpm/tpm_ibmvtpm.c:126:9: sparse: sparse: incorrect type
in argument 1 (different address spaces)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 815fb87b753055df2d9e50f6cd80eb10235fe3e9
commit: 90db9dbedd26ce029f3a0f8d2cbd3a142f452408 kasan, powerpc: don't rename memintrinsics if compiler adds prefixes
date: 8 months ago
config: powerpc64-randconfig-r112-20231120 (https://download.01.org/0day-ci/archive/20231203/202312030323.INGDtNZn-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce: (https://download.01.org/0day-ci/archive/20231203/202312030323.INGDtNZn-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312030323.INGDtNZn-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
drivers/char/tpm/tpm_ibmvtpm.c:125:9: sparse: sparse: cast removes address space '__iomem' of expression
drivers/char/tpm/tpm_ibmvtpm.c:125:9: sparse: sparse: cast removes address space '__iomem' of expression
drivers/char/tpm/tpm_ibmvtpm.c:125:9: sparse: sparse: cast removes address space '__iomem' of expression
>> drivers/char/tpm/tpm_ibmvtpm.c:126:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *rtce_buf @@
drivers/char/tpm/tpm_ibmvtpm.c:126:9: sparse: expected void const *
drivers/char/tpm/tpm_ibmvtpm.c:126:9: sparse: got void [noderef] __iomem *rtce_buf
>> drivers/char/tpm/tpm_ibmvtpm.c:126:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got void [noderef] __iomem *rtce_buf @@
drivers/char/tpm/tpm_ibmvtpm.c:126:9: sparse: expected void const *
drivers/char/tpm/tpm_ibmvtpm.c:126:9: sparse: got void [noderef] __iomem *rtce_buf
>> drivers/char/tpm/tpm_ibmvtpm.c:126:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *p @@ got void [noderef] __iomem *rtce_buf @@
drivers/char/tpm/tpm_ibmvtpm.c:126:9: sparse: expected void *p
drivers/char/tpm/tpm_ibmvtpm.c:126:9: sparse: got void [noderef] __iomem *rtce_buf
drivers/char/tpm/tpm_ibmvtpm.c:229:9: sparse: sparse: cast removes address space '__iomem' of expression
drivers/char/tpm/tpm_ibmvtpm.c:229:9: sparse: sparse: cast removes address space '__iomem' of expression
drivers/char/tpm/tpm_ibmvtpm.c:229:9: sparse: sparse: cast removes address 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 [noderef] __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 +126 drivers/char/tpm/tpm_ibmvtpm.c
132f7629474424 Ashley Lai 2012-08-22 94
132f7629474424 Ashley Lai 2012-08-22 95 /**
132f7629474424 Ashley Lai 2012-08-22 96 * tpm_ibmvtpm_recv - Receive data after send
93c12f293f8798 Winkler, Tomas 2016-11-23 97 *
132f7629474424 Ashley Lai 2012-08-22 98 * @chip: tpm chip struct
132f7629474424 Ashley Lai 2012-08-22 99 * @buf: buffer to read
93c12f293f8798 Winkler, Tomas 2016-11-23 100 * @count: size of buffer
132f7629474424 Ashley Lai 2012-08-22 101 *
93c12f293f8798 Winkler, Tomas 2016-11-23 102 * Return:
132f7629474424 Ashley Lai 2012-08-22 103 * Number of bytes read
132f7629474424 Ashley Lai 2012-08-22 104 */
132f7629474424 Ashley Lai 2012-08-22 105 static int tpm_ibmvtpm_recv(struct tpm_chip *chip, u8 *buf, size_t count)
132f7629474424 Ashley Lai 2012-08-22 106 {
9e0d39d8a6a0a8 Christophe Ricard 2016-03-31 107 struct ibmvtpm_dev *ibmvtpm = dev_get_drvdata(&chip->dev);
132f7629474424 Ashley Lai 2012-08-22 108 u16 len;
132f7629474424 Ashley Lai 2012-08-22 109
132f7629474424 Ashley Lai 2012-08-22 110 if (!ibmvtpm->rtce_buf) {
132f7629474424 Ashley Lai 2012-08-22 111 dev_err(ibmvtpm->dev, "ibmvtpm device is not ready\n");
132f7629474424 Ashley Lai 2012-08-22 112 return 0;
132f7629474424 Ashley Lai 2012-08-22 113 }
132f7629474424 Ashley Lai 2012-08-22 114
b5666502700855 Ashley Lai 2012-09-12 115 len = ibmvtpm->res_len;
132f7629474424 Ashley Lai 2012-08-22 116
b5666502700855 Ashley Lai 2012-09-12 117 if (count < len) {
132f7629474424 Ashley Lai 2012-08-22 118 dev_err(ibmvtpm->dev,
37ab03414829e5 Jason Gunthorpe 2013-09-14 119 "Invalid size in recv: count=%zd, crq_size=%d\n",
b5666502700855 Ashley Lai 2012-09-12 120 count, len);
132f7629474424 Ashley Lai 2012-08-22 121 return -EIO;
132f7629474424 Ashley Lai 2012-08-22 122 }
132f7629474424 Ashley Lai 2012-08-22 123
132f7629474424 Ashley Lai 2012-08-22 124 spin_lock(&ibmvtpm->rtce_lock);
b5666502700855 Ashley Lai 2012-09-12 @125 memcpy((void *)buf, (void *)ibmvtpm->rtce_buf, len);
b5666502700855 Ashley Lai 2012-09-12 @126 memset(ibmvtpm->rtce_buf, 0, len);
b5666502700855 Ashley Lai 2012-09-12 127 ibmvtpm->res_len = 0;
132f7629474424 Ashley Lai 2012-08-22 128 spin_unlock(&ibmvtpm->rtce_lock);
132f7629474424 Ashley Lai 2012-08-22 129 return len;
132f7629474424 Ashley Lai 2012-08-22 130 }
132f7629474424 Ashley Lai 2012-08-22 131
:::::: The code at line 126 was first introduced by commit
:::::: b5666502700855a1eb1a15482005b22478b9460e drivers/char/tpm: remove tasklet and cleanup
:::::: TO: Ashley Lai <adlai@...ux.vnet.ibm.com>
:::::: CC: Kent Yoder <key@...ux.vnet.ibm.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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