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Date: Mon, 13 Jul 2020 00:22:06 +0800
From: kernel test robot <lkp@...el.com>
To: Luc Van Oostenryck <luc.vanoostenryck@...il.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: drivers/pci/switch/switchtec.c:1075:33: 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: 0aea6d5c5be33ce94c16f9ab2f64de1f481f424b
commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces
date: 3 weeks ago
config: alpha-randconfig-s032-20200712 (attached as .config)
compiler: alpha-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: v0.6.2-37-gc9676a3b-dirty
git checkout 670d0a4b10704667765f7d18f7592993d02783aa
# 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=alpha
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
sparse warnings: (new ones prefixed by >>)
drivers/pci/switch/switchtec.c:943:31: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected unsigned int [noderef] [usertype] __iomem * @@ got void * @@
drivers/pci/switch/switchtec.c:943:31: sparse: expected unsigned int [noderef] [usertype] __iomem *
drivers/pci/switch/switchtec.c:943:31: sparse: got void *
drivers/pci/switch/switchtec.c:951:39: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected unsigned int [noderef] [usertype] __iomem * @@ got void * @@
drivers/pci/switch/switchtec.c:951:39: sparse: expected unsigned int [noderef] [usertype] __iomem *
drivers/pci/switch/switchtec.c:951:39: sparse: got void *
drivers/pci/switch/switchtec.c:954:39: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected unsigned int [noderef] [usertype] __iomem * @@ got void * @@
drivers/pci/switch/switchtec.c:954:39: sparse: expected unsigned int [noderef] [usertype] __iomem *
drivers/pci/switch/switchtec.c:954:39: sparse: got void *
drivers/pci/switch/switchtec.c:1067:32: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got struct switchtec_ioctl_pff_port *up @@
drivers/pci/switch/switchtec.c:1067:32: sparse: expected void const [noderef] __user *from
drivers/pci/switch/switchtec.c:1067:32: sparse: got struct switchtec_ioctl_pff_port *up
drivers/pci/switch/switchtec.c:1072:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct part_cfg_regs *pcfg @@ got struct part_cfg_regs [noderef] __iomem * @@
drivers/pci/switch/switchtec.c:1072:22: sparse: expected struct part_cfg_regs *pcfg
drivers/pci/switch/switchtec.c:1072:22: sparse: got struct part_cfg_regs [noderef] __iomem *
>> drivers/pci/switch/switchtec.c:1075:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got unsigned int * @@
>> drivers/pci/switch/switchtec.c:1075:33: sparse: expected void [noderef] __iomem *addr
drivers/pci/switch/switchtec.c:1075:33: sparse: got unsigned int *
drivers/pci/switch/switchtec.c:1081:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got unsigned int * @@
drivers/pci/switch/switchtec.c:1081:33: sparse: expected void [noderef] __iomem *addr
drivers/pci/switch/switchtec.c:1081:33: sparse: got unsigned int *
drivers/pci/switch/switchtec.c:1088:62: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got unsigned int * @@
drivers/pci/switch/switchtec.c:1088:62: sparse: expected void [noderef] __iomem *addr
drivers/pci/switch/switchtec.c:1088:62: sparse: got unsigned int *
drivers/pci/switch/switchtec.c:1100:26: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __user *to @@ got struct switchtec_ioctl_pff_port *up @@
drivers/pci/switch/switchtec.c:1100:26: sparse: expected void [noderef] __user *to
drivers/pci/switch/switchtec.c:1100:26: sparse: got struct switchtec_ioctl_pff_port *up
drivers/pci/switch/switchtec.c:1112:32: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got struct switchtec_ioctl_pff_port *up @@
drivers/pci/switch/switchtec.c:1112:32: sparse: expected void const [noderef] __user *from
drivers/pci/switch/switchtec.c:1112:32: sparse: got struct switchtec_ioctl_pff_port *up
drivers/pci/switch/switchtec.c:1116:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct part_cfg_regs *pcfg @@ got struct part_cfg_regs [noderef] __iomem *mmio_part_cfg @@
drivers/pci/switch/switchtec.c:1116:22: sparse: expected struct part_cfg_regs *pcfg
drivers/pci/switch/switchtec.c:1116:22: sparse: got struct part_cfg_regs [noderef] __iomem *mmio_part_cfg
drivers/pci/switch/switchtec.c:1118:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct part_cfg_regs *pcfg @@ got struct part_cfg_regs [noderef] __iomem * @@
drivers/pci/switch/switchtec.c:1118:22: sparse: expected struct part_cfg_regs *pcfg
drivers/pci/switch/switchtec.c:1118:22: sparse: got struct part_cfg_regs [noderef] __iomem *
drivers/pci/switch/switchtec.c:1124:35: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got unsigned int * @@
drivers/pci/switch/switchtec.c:1124:35: sparse: expected void [noderef] __iomem *addr
drivers/pci/switch/switchtec.c:1124:35: sparse: got unsigned int *
drivers/pci/switch/switchtec.c:1127:35: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got unsigned int * @@
drivers/pci/switch/switchtec.c:1127:35: sparse: expected void [noderef] __iomem *addr
drivers/pci/switch/switchtec.c:1127:35: sparse: got unsigned int *
drivers/pci/switch/switchtec.c:1134:56: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got unsigned int * @@
drivers/pci/switch/switchtec.c:1134:56: sparse: expected void [noderef] __iomem *addr
drivers/pci/switch/switchtec.c:1134:56: sparse: got unsigned int *
drivers/pci/switch/switchtec.c:1138:26: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __user *to @@ got struct switchtec_ioctl_pff_port *up @@
drivers/pci/switch/switchtec.c:1138:26: sparse: expected void [noderef] __user *to
drivers/pci/switch/switchtec.c:1138:26: sparse: got struct switchtec_ioctl_pff_port *up
drivers/pci/switch/switchtec.c:1171:47: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct switchtec_ioctl_pff_port *up @@ got void [noderef] __user *argp @@
drivers/pci/switch/switchtec.c:1171:47: sparse: expected struct switchtec_ioctl_pff_port *up
drivers/pci/switch/switchtec.c:1171:47: sparse: got void [noderef] __user *argp
drivers/pci/switch/switchtec.c:1174:47: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct switchtec_ioctl_pff_port *up @@ got void [noderef] __user *argp @@
drivers/pci/switch/switchtec.c:1174:47: sparse: expected struct switchtec_ioctl_pff_port *up
drivers/pci/switch/switchtec.c:1174:47: sparse: got void [noderef] __user *argp
drivers/pci/switch/switchtec.c:1487:43: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct part_cfg_regs *pcfg @@ got struct part_cfg_regs [noderef] __iomem *mmio_part_cfg @@
drivers/pci/switch/switchtec.c:1487:43: sparse: expected struct part_cfg_regs *pcfg
drivers/pci/switch/switchtec.c:1487:43: sparse: got struct part_cfg_regs [noderef] __iomem *mmio_part_cfg
drivers/pci/switch/switchtec.c:1497:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got unsigned int * @@
drivers/pci/switch/switchtec.c:1497:25: sparse: expected void [noderef] __iomem *addr
drivers/pci/switch/switchtec.c:1497:25: sparse: got unsigned int *
drivers/pci/switch/switchtec.c:1501:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got unsigned int * @@
drivers/pci/switch/switchtec.c:1501:25: sparse: expected void [noderef] __iomem *addr
drivers/pci/switch/switchtec.c:1501:25: sparse: got unsigned int *
drivers/pci/switch/switchtec.c:1506:54: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got unsigned int * @@
drivers/pci/switch/switchtec.c:1506:54: sparse: expected void [noderef] __iomem *addr
drivers/pci/switch/switchtec.c:1506:54: sparse: got unsigned int *
--
drivers/gpu/drm/ttm/ttm_bo_util.c:219:30: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *[assigned] addr @@ got void [noderef] __iomem * @@
drivers/gpu/drm/ttm/ttm_bo_util.c:219:30: sparse: expected void *[assigned] addr
drivers/gpu/drm/ttm/ttm_bo_util.c:219:30: sparse: got void [noderef] __iomem *
drivers/gpu/drm/ttm/ttm_bo_util.c:221:30: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *[assigned] addr @@ got void [noderef] __iomem * @@
drivers/gpu/drm/ttm/ttm_bo_util.c:221:30: sparse: expected void *[assigned] addr
drivers/gpu/drm/ttm/ttm_bo_util.c:221:30: sparse: got void [noderef] __iomem *
drivers/gpu/drm/ttm/ttm_bo_util.c:241:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *virtual @@
drivers/gpu/drm/ttm/ttm_bo_util.c:241:25: sparse: expected void volatile [noderef] __iomem *addr
drivers/gpu/drm/ttm/ttm_bo_util.c:241:25: sparse: got void *virtual
>> drivers/gpu/drm/ttm/ttm_bo_util.c:256:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
>> drivers/gpu/drm/ttm/ttm_bo_util.c:256:40: sparse: expected void [noderef] __iomem *addr
drivers/gpu/drm/ttm/ttm_bo_util.c:256:40: sparse: got unsigned int [usertype] *
drivers/gpu/drm/ttm/ttm_bo_util.c:256:49: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem *addr @@ got unsigned int [usertype] * @@
drivers/gpu/drm/ttm/ttm_bo_util.c:256:49: sparse: expected void [noderef] __iomem *addr
drivers/gpu/drm/ttm/ttm_bo_util.c:256:49: sparse: got unsigned int [usertype] *
drivers/gpu/drm/ttm/ttm_bo_util.c:275:28: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const volatile [noderef] __iomem * @@ got void *[assigned] src @@
drivers/gpu/drm/ttm/ttm_bo_util.c:275:28: sparse: expected void const volatile [noderef] __iomem *
drivers/gpu/drm/ttm/ttm_bo_util.c:275:28: sparse: got void *[assigned] src
drivers/gpu/drm/ttm/ttm_bo_util.c:297:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem * @@ got void *[assigned] dst @@
drivers/gpu/drm/ttm/ttm_bo_util.c:297:21: sparse: expected void volatile [noderef] __iomem *
drivers/gpu/drm/ttm/ttm_bo_util.c:297:21: sparse: got void *[assigned] dst
drivers/gpu/drm/ttm/ttm_bo_util.c:344:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *[addressable] new_iomap @@
drivers/gpu/drm/ttm/ttm_bo_util.c:344:27: sparse: expected void volatile [noderef] __iomem *addr
drivers/gpu/drm/ttm/ttm_bo_util.c:344:27: sparse: got void *[addressable] new_iomap
drivers/gpu/drm/ttm/ttm_bo_util.c:516:38: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *virtual @@ got void [noderef] __iomem * @@
drivers/gpu/drm/ttm/ttm_bo_util.c:516:38: sparse: expected void *virtual
drivers/gpu/drm/ttm/ttm_bo_util.c:516:38: sparse: got void [noderef] __iomem *
drivers/gpu/drm/ttm/ttm_bo_util.c:519:38: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *virtual @@ got void [noderef] __iomem * @@
drivers/gpu/drm/ttm/ttm_bo_util.c:519:38: sparse: expected void *virtual
drivers/gpu/drm/ttm/ttm_bo_util.c:519:38: sparse: got void [noderef] __iomem *
drivers/gpu/drm/ttm/ttm_bo_util.c:608:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *virtual @@
drivers/gpu/drm/ttm/ttm_bo_util.c:608:28: sparse: expected void volatile [noderef] __iomem *addr
drivers/gpu/drm/ttm/ttm_bo_util.c:608:28: sparse: got void *virtual
vim +1075 drivers/pci/switch/switchtec.c
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1058
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1059 static int ioctl_pff_to_port(struct switchtec_dev *stdev,
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1060 struct switchtec_ioctl_pff_port *up)
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1061 {
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1062 int i, part;
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1063 u32 reg;
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1064 struct part_cfg_regs *pcfg;
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1065 struct switchtec_ioctl_pff_port p;
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1066
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1067 if (copy_from_user(&p, up, sizeof(p)))
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1068 return -EFAULT;
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1069
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1070 p.port = -1;
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1071 for (part = 0; part < stdev->partition_count; part++) {
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1072 pcfg = &stdev->mmio_part_cfg_all[part];
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1073 p.partition = part;
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1074
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 @1075 reg = ioread32(&pcfg->usp_pff_inst_id);
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1076 if (reg == p.pff) {
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1077 p.port = 0;
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1078 break;
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1079 }
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1080
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1081 reg = ioread32(&pcfg->vep_pff_inst_id);
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1082 if (reg == p.pff) {
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1083 p.port = SWITCHTEC_IOCTL_PFF_VEP;
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1084 break;
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1085 }
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1086
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1087 for (i = 0; i < ARRAY_SIZE(pcfg->dsp_pff_inst_id); i++) {
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1088 reg = ioread32(&pcfg->dsp_pff_inst_id[i]);
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1089 if (reg != p.pff)
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1090 continue;
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1091
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1092 p.port = i + 1;
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1093 break;
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1094 }
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1095
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1096 if (p.port != -1)
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1097 break;
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1098 }
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1099
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1100 if (copy_to_user(up, &p, sizeof(p)))
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1101 return -EFAULT;
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1102
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1103 return 0;
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1104 }
52eabba5bcdb28 Logan Gunthorpe 2017-03-02 1105
:::::: The code at line 1075 was first introduced by commit
:::::: 52eabba5bcdb2853dec6ef007ba427b092034738 switchtec: Add IOCTLs to the Switchtec driver
:::::: TO: Logan Gunthorpe <logang@...tatee.com>
:::::: CC: Bjorn Helgaas <bhelgaas@...gle.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
Download attachment ".config.gz" of type "application/gzip" (28371 bytes)
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