drivers/staging/octeon/ethernet-util.h:17 cvm_oct_get_buffer_ptr() warn: should '((packet_ptr.s.addr >> 7) - packet_ptr.s.back) << 7' be a 64 bit

drivers/staging/octeon/ethernet-util.h:17 cvm_oct_get_buffer_ptr() warn: should '((packet_ptr.s.addr >> 7) - packet_ptr.s.back) << 7' be a 64 bit

[kernel test robot]

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CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Chris Packham <chris.packham@alliedtelesis.co.nz>
CC: "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   accefff5b547a9a1d959c7e76ad539bf2480e78b
commit: 8ef0c4f06432b5b2f4e32f37b81708eae1e20c8c Revert "staging/octeon: Mark Ethernet driver as BROKEN"
date:   10 months ago
:::::: branch date: 13 hours ago
:::::: commit date: 10 months ago
config: nios2-randconfig-m031-20201217 (attached as .config)
compiler: nios2-linux-gcc (GCC) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>

smatch warnings:
drivers/staging/octeon/ethernet-util.h:17 cvm_oct_get_buffer_ptr() warn: should '((packet_ptr.s.addr >> 7) - packet_ptr.s.back) << 7' be a 64 bit type?

vim +17 drivers/staging/octeon/ethernet-util.h

422d97b8b05ed38 Chris Packham 2020-02-05 @17  				<< 7);
422d97b8b05ed38 Chris Packham 2020-02-05  18  }
422d97b8b05ed38 Chris Packham 2020-02-05  19  

:::::: The code@line 17 was first introduced by commit
:::::: 422d97b8b05ed38cc5f67522ddb821868ea272a7 Revert "staging: octeon: delete driver"

:::::: TO: Chris Packham <chris.packham@alliedtelesis.co.nz>
:::::: CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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

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drivers/staging/octeon/ethernet-util.h:17 cvm_oct_get_buffer_ptr() warn: should '((packet_ptr.s.addr >> 7) - packet_ptr.s.back) << 7' be a 64 bit

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 1848 bytes --]

CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Chris Packham <chris.packham@alliedtelesis.co.nz>
CC: "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   c9c9e6a49f8998e9334507378c08cc16cb3ec0e5
commit: 8ef0c4f06432b5b2f4e32f37b81708eae1e20c8c Revert "staging/octeon: Mark Ethernet driver as BROKEN"
date:   8 months ago
:::::: branch date: 15 hours ago
:::::: commit date: 8 months ago
config: x86_64-randconfig-m001-20200924 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>

smatch warnings:
drivers/staging/octeon/ethernet-util.h:17 cvm_oct_get_buffer_ptr() warn: should '((packet_ptr.s.addr >> 7) - packet_ptr.s.back) << 7' be a 64 bit type?

# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8ef0c4f06432b5b2f4e32f37b81708eae1e20c8c
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 8ef0c4f06432b5b2f4e32f37b81708eae1e20c8c
vim +17 drivers/staging/octeon/ethernet-util.h

422d97b8b05ed3 Chris Packham 2020-02-05 @17  				<< 7);
422d97b8b05ed3 Chris Packham 2020-02-05  18  }
422d97b8b05ed3 Chris Packham 2020-02-05  19  

:::::: The code@line 17 was first introduced by commit
:::::: 422d97b8b05ed38cc5f67522ddb821868ea272a7 Revert "staging: octeon: delete driver"

:::::: TO: Chris Packham <chris.packham@alliedtelesis.co.nz>
:::::: CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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

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