drivers/i2c/busses/i2c-mlxcpld.c:97:17: sparse: got void COPYING CREDITS Documentation Kbuild Kconfig LICENSES MAINTAINERS Makefile README arch block certs crypto drivers fs include init ipc kernel lib mm net samples scripts security sound tools usr virt

From: kernel test robot
Date: Tue Aug 11 2020 - 22:47:29 EST

Next message: Badhri Jagan Sridharan: "[PATCH v3] usb: typec: tcpm: Fix TDA 2.2.1.1 and TDA 2.2.1.2 failures"
Previous message: Jens Axboe: "Re: KASAN: use-after-free Read in __io_req_task_submit"
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Hi Krzysztof,

First bad commit (maybe != root cause):

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: bb5baaa9238ecf8f13b112232c7bbe0d3d598ee8
commit: 4a2d5f663dab6614772d8e28ca190b127ba46d9d i2c: Enable compile testing for more drivers
date: 7 months ago
config: riscv-randconfig-s031-20200812 (attached as .config)
compiler: riscv64-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.2-168-g9554805c-dirty
git checkout 4a2d5f663dab6614772d8e28ca190b127ba46d9d
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=riscv

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

sparse warnings: (new ones prefixed by >>)

drivers/i2c/busses/i2c-mlxcpld.c:97:17: sparse: sparse: cast removes address space '<asn:2>' of expression
drivers/i2c/busses/i2c-mlxcpld.c:97:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got void * @@
drivers/i2c/busses/i2c-mlxcpld.c:97:17: sparse: expected void volatile [noderef] <asn:2> *addr
>> drivers/i2c/busses/i2c-mlxcpld.c:97:17: sparse: got void *
drivers/i2c/busses/i2c-mlxcpld.c:99:17: sparse: sparse: cast removes address space '<asn:2>' of expression
drivers/i2c/busses/i2c-mlxcpld.c:99:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got void * @@
drivers/i2c/busses/i2c-mlxcpld.c:99:17: sparse: expected void volatile [noderef] <asn:2> *addr
drivers/i2c/busses/i2c-mlxcpld.c:99:17: sparse: got void *
drivers/i2c/busses/i2c-mlxcpld.c:107:38: sparse: sparse: cast removes address space '<asn:2>' of expression
drivers/i2c/busses/i2c-mlxcpld.c:107:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got void * @@
drivers/i2c/busses/i2c-mlxcpld.c:107:38: sparse: expected void const volatile [noderef] <asn:2> *addr
drivers/i2c/busses/i2c-mlxcpld.c:107:38: sparse: got void *
drivers/i2c/busses/i2c-mlxcpld.c:109:31: sparse: sparse: cast removes address space '<asn:2>' of expression
drivers/i2c/busses/i2c-mlxcpld.c:109:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got void * @@
drivers/i2c/busses/i2c-mlxcpld.c:109:31: sparse: expected void const volatile [noderef] <asn:2> *addr
drivers/i2c/busses/i2c-mlxcpld.c:109:31: sparse: got void *
drivers/i2c/busses/i2c-mlxcpld.c:119:27: sparse: sparse: cast removes address space '<asn:2>' of expression
drivers/i2c/busses/i2c-mlxcpld.c:119:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got void * @@
drivers/i2c/busses/i2c-mlxcpld.c:119:27: sparse: expected void const volatile [noderef] <asn:2> *addr
drivers/i2c/busses/i2c-mlxcpld.c:119:27: sparse: got void *
drivers/i2c/busses/i2c-mlxcpld.c:122:34: sparse: sparse: cast removes address space '<asn:2>' of expression
drivers/i2c/busses/i2c-mlxcpld.c:122:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got void * @@
drivers/i2c/busses/i2c-mlxcpld.c:122:34: sparse: expected void const volatile [noderef] <asn:2> *addr
drivers/i2c/busses/i2c-mlxcpld.c:122:34: sparse: got void *
drivers/i2c/busses/i2c-mlxcpld.c:125:34: sparse: sparse: cast removes address space '<asn:2>' of expression
drivers/i2c/busses/i2c-mlxcpld.c:125:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got void * @@
drivers/i2c/busses/i2c-mlxcpld.c:125:34: sparse: expected void const volatile [noderef] <asn:2> *addr
drivers/i2c/busses/i2c-mlxcpld.c:125:34: sparse: got void *
drivers/i2c/busses/i2c-mlxcpld.c:126:31: sparse: sparse: cast removes address space '<asn:2>' of expression
drivers/i2c/busses/i2c-mlxcpld.c:126:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got void * @@
drivers/i2c/busses/i2c-mlxcpld.c:126:31: sparse: expected void const volatile [noderef] <asn:2> *addr
drivers/i2c/busses/i2c-mlxcpld.c:126:31: sparse: got void *
drivers/i2c/busses/i2c-mlxcpld.c:129:34: sparse: sparse: cast removes address space '<asn:2>' of expression
drivers/i2c/busses/i2c-mlxcpld.c:129:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got void * @@
drivers/i2c/busses/i2c-mlxcpld.c:129:34: sparse: expected void const volatile [noderef] <asn:2> *addr
drivers/i2c/busses/i2c-mlxcpld.c:129:34: sparse: got void *
drivers/i2c/busses/i2c-mlxcpld.c:144:17: sparse: sparse: cast removes address space '<asn:2>' of expression
drivers/i2c/busses/i2c-mlxcpld.c:144:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got void * @@
drivers/i2c/busses/i2c-mlxcpld.c:144:17: sparse: expected void volatile [noderef] <asn:2> *addr
drivers/i2c/busses/i2c-mlxcpld.c:144:17: sparse: got void *
drivers/i2c/busses/i2c-mlxcpld.c:147:17: sparse: sparse: cast removes address space '<asn:2>' of expression
drivers/i2c/busses/i2c-mlxcpld.c:147:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got void * @@
drivers/i2c/busses/i2c-mlxcpld.c:147:17: sparse: expected void volatile [noderef] <asn:2> *addr
drivers/i2c/busses/i2c-mlxcpld.c:147:17: sparse: got void *
drivers/i2c/busses/i2c-mlxcpld.c:150:17: sparse: sparse: cast removes address space '<asn:2>' of expression
drivers/i2c/busses/i2c-mlxcpld.c:150:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got void * @@
drivers/i2c/busses/i2c-mlxcpld.c:150:17: sparse: expected void volatile [noderef] <asn:2> *addr
drivers/i2c/busses/i2c-mlxcpld.c:150:17: sparse: got void *
drivers/i2c/busses/i2c-mlxcpld.c:151:17: sparse: sparse: cast removes address space '<asn:2>' of expression
drivers/i2c/busses/i2c-mlxcpld.c:151:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got void * @@
drivers/i2c/busses/i2c-mlxcpld.c:151:17: sparse: expected void volatile [noderef] <asn:2> *addr
drivers/i2c/busses/i2c-mlxcpld.c:151:17: sparse: got void *
drivers/i2c/busses/i2c-mlxcpld.c:154:17: sparse: sparse: cast removes address space '<asn:2>' of expression
drivers/i2c/busses/i2c-mlxcpld.c:154:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got void * @@
drivers/i2c/busses/i2c-mlxcpld.c:154:17: sparse: expected void volatile [noderef] <asn:2> *addr
drivers/i2c/busses/i2c-mlxcpld.c:154:17: sparse: got void *

vim +97 drivers/i2c/busses/i2c-mlxcpld.c

6bec23bff91491 Vadim Pasternak 2016-11-20 91
6bec23bff91491 Vadim Pasternak 2016-11-20 92 static void mlxcpld_i2c_lpc_write_buf(u8 *data, u8 len, u32 addr)
6bec23bff91491 Vadim Pasternak 2016-11-20 93 {
6bec23bff91491 Vadim Pasternak 2016-11-20 94 int i;
6bec23bff91491 Vadim Pasternak 2016-11-20 95
6bec23bff91491 Vadim Pasternak 2016-11-20 96 for (i = 0; i < len - len % 4; i += 4)
6bec23bff91491 Vadim Pasternak 2016-11-20 @97 outl(*(u32 *)(data + i), addr + i);
6bec23bff91491 Vadim Pasternak 2016-11-20 98 for (; i < len; ++i)
6bec23bff91491 Vadim Pasternak 2016-11-20 99 outb(*(data + i), addr + i);
6bec23bff91491 Vadim Pasternak 2016-11-20 100 }
6bec23bff91491 Vadim Pasternak 2016-11-20 101

:::::: The code at line 97 was first introduced by commit
:::::: 6bec23bff914915822f2c34d0555902fb2b9be1f i2c: mlxcpld: add master driver for mellanox systems

:::::: TO: Vadim Pasternak <vadimp@xxxxxxxxxxxx>
:::::: CC: Wolfram Sang <wsa@xxxxxxxxxxxxx>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip

Next message: Badhri Jagan Sridharan: "[PATCH v3] usb: typec: tcpm: Fix TDA 2.2.1.1 and TDA 2.2.1.2 failures"
Previous message: Jens Axboe: "Re: KASAN: use-after-free Read in __io_req_task_submit"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]