kernel test robot
2021-Apr-07 17:51 UTC
[PATCH 1/3] virtio: update reset callback to return status
Hi Max,
I love your patch! Yet something to improve:
[auto build test ERROR on vhost/linux-next]
[also build test ERROR on linus/master v5.12-rc6 next-20210407]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url:
https://github.com/0day-ci/linux/commits/Max-Gurtovoy/virtio-update-reset-callback-to-return-status/20210407-201026
base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
config: s390-randconfig-r032-20210407 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project
c060945b23a1c54d4b2a053ff4b093a2277b303d)
reproduce (this is a W=1 build):
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install s390 cross compiling tool for clang build
# apt-get install binutils-s390x-linux-gnu
#
https://github.com/0day-ci/linux/commit/74d4580725028f138a4713e8594f9068e9c83805
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
Max-Gurtovoy/virtio-update-reset-callback-to-return-status/20210407-201026
git checkout 74d4580725028f138a4713e8594f9068e9c83805
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=s390
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>
All errors (new ones prefixed by >>):
#define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
^
include/uapi/linux/swab.h:119:21: note: expanded from macro
'__swab32'
___constant_swab32(x) : \
^
include/uapi/linux/swab.h:19:12: note: expanded from macro
'___constant_swab32'
(((__u32)(x) & (__u32)0x000000ffUL) << 24) | \
^
In file included from drivers/s390/virtio/virtio_ccw.c:12:
In file included from include/linux/memblock.h:14:
In file included from arch/s390/include/asm/dma.h:5:
In file included from arch/s390/include/asm/io.h:80:
include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro
'__le32_to_cpu'
#define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
^
include/uapi/linux/swab.h:119:21: note: expanded from macro
'__swab32'
___constant_swab32(x) : \
^
include/uapi/linux/swab.h:20:12: note: expanded from macro
'___constant_swab32'
(((__u32)(x) & (__u32)0x0000ff00UL) << 8) | \
^
In file included from drivers/s390/virtio/virtio_ccw.c:12:
In file included from include/linux/memblock.h:14:
In file included from arch/s390/include/asm/dma.h:5:
In file included from arch/s390/include/asm/io.h:80:
include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro
'__le32_to_cpu'
#define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
^
include/uapi/linux/swab.h:119:21: note: expanded from macro
'__swab32'
___constant_swab32(x) : \
^
include/uapi/linux/swab.h:21:12: note: expanded from macro
'___constant_swab32'
(((__u32)(x) & (__u32)0x00ff0000UL) >> 8) | \
^
In file included from drivers/s390/virtio/virtio_ccw.c:12:
In file included from include/linux/memblock.h:14:
In file included from arch/s390/include/asm/dma.h:5:
In file included from arch/s390/include/asm/io.h:80:
include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro
'__le32_to_cpu'
#define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
^
include/uapi/linux/swab.h:119:21: note: expanded from macro
'__swab32'
___constant_swab32(x) : \
^
include/uapi/linux/swab.h:22:12: note: expanded from macro
'___constant_swab32'
(((__u32)(x) & (__u32)0xff000000UL) >> 24)))
^
In file included from drivers/s390/virtio/virtio_ccw.c:12:
In file included from include/linux/memblock.h:14:
In file included from arch/s390/include/asm/dma.h:5:
In file included from arch/s390/include/asm/io.h:80:
include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro
'__le32_to_cpu'
#define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
^
include/uapi/linux/swab.h:120:12: note: expanded from macro
'__swab32'
__fswab32(x))
^
In file included from drivers/s390/virtio/virtio_ccw.c:12:
In file included from include/linux/memblock.h:14:
In file included from arch/s390/include/asm/dma.h:5:
In file included from arch/s390/include/asm/io.h:80:
include/asm-generic/io.h:501:33: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:511:59: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:521:59: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:609:20: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsb(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:617:20: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsw(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:625:20: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsl(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:634:21: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesb(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:643:21: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesw(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:652:21: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesl(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^>> drivers/s390/virtio/virtio_ccw.c:1016:11: error: incompatible function
pointer types initializing 'int (*)(struct virtio_device *)' with an
expression of type 'void (struct virtio_device *)'
[-Werror,-Wincompatible-function-pointer-types]
.reset = virtio_ccw_reset,
^~~~~~~~~~~~~~~~
20 warnings and 1 error generated.
vim +1016 drivers/s390/virtio/virtio_ccw.c
971bedca26e037 drivers/s390/virtio/virtio_ccw.c Cornelia Huck 2019-01-21 1008
0db1dba5dfaf70 drivers/s390/virtio/virtio_ccw.c Bhumika Goyal 2017-01-14 1009
static const struct virtio_config_ops virtio_ccw_config_ops = {
7e64e0597fd67c drivers/s390/kvm/virtio_ccw.c Cornelia Huck 2012-12-14 1010
.get_features = virtio_ccw_get_features,
7e64e0597fd67c drivers/s390/kvm/virtio_ccw.c Cornelia Huck 2012-12-14 1011
.finalize_features = virtio_ccw_finalize_features,
7e64e0597fd67c drivers/s390/kvm/virtio_ccw.c Cornelia Huck 2012-12-14 1012
.get = virtio_ccw_get_config,
7e64e0597fd67c drivers/s390/kvm/virtio_ccw.c Cornelia Huck 2012-12-14 1013
.set = virtio_ccw_set_config,
7e64e0597fd67c drivers/s390/kvm/virtio_ccw.c Cornelia Huck 2012-12-14 1014
.get_status = virtio_ccw_get_status,
7e64e0597fd67c drivers/s390/kvm/virtio_ccw.c Cornelia Huck 2012-12-14 1015
.set_status = virtio_ccw_set_status,
7e64e0597fd67c drivers/s390/kvm/virtio_ccw.c Cornelia Huck 2012-12-14 @1016
.reset = virtio_ccw_reset,
7e64e0597fd67c drivers/s390/kvm/virtio_ccw.c Cornelia Huck 2012-12-14 1017
.find_vqs = virtio_ccw_find_vqs,
7e64e0597fd67c drivers/s390/kvm/virtio_ccw.c Cornelia Huck 2012-12-14 1018
.del_vqs = virtio_ccw_del_vqs,
971bedca26e037 drivers/s390/virtio/virtio_ccw.c Cornelia Huck 2019-01-21 1019
.bus_name = virtio_ccw_bus_name,
7e64e0597fd67c drivers/s390/kvm/virtio_ccw.c Cornelia Huck 2012-12-14 1020
};
7e64e0597fd67c drivers/s390/kvm/virtio_ccw.c Cornelia Huck 2012-12-14 1021
7e64e0597fd67c drivers/s390/kvm/virtio_ccw.c Cornelia Huck 2012-12-14 1022
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all at lists.01.org
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