From: kernel test robot <lkp@intel.com>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org
Subject: drivers/pci/pci.c:1029:24: sparse: sparse: incorrect type in return expression (different base types)
Date: Tue, 9 Nov 2021 12:14:29 +0800 [thread overview]
Message-ID: <202111091221.zolqAOmH-lkp@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: d2f38a3c6507b2520101f9a3807ed98f1bdc545a
commit: d5b0d88385f5a5f865f6761d7c93e373221914a4 PCI: PM: Do not use pci_platform_pm_ops for Intel MID PM
date: 6 weeks ago
config: i386-randconfig-s031-20210929 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.4-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d5b0d88385f5a5f865f6761d7c93e373221914a4
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout d5b0d88385f5a5f865f6761d7c93e373221914a4
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
drivers/pci/pci.c:1078:13: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1078:21: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1078:31: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1078:39: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1087:35: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1087:54: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1088:19: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1088:37: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1118:23: sparse: sparse: invalid assignment: |=
drivers/pci/pci.c:1118:23: sparse: left side has type unsigned short
drivers/pci/pci.c:1118:23: sparse: right side has type restricted pci_power_t
drivers/pci/pci.c:1123:57: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1145:28: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted pci_power_t [usertype] current_state @@ got int @@
drivers/pci/pci.c:1145:28: sparse: expected restricted pci_power_t [usertype] current_state
drivers/pci/pci.c:1145:28: sparse: got int
drivers/pci/pci.c:1194:36: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted pci_power_t [usertype] current_state @@ got int @@
drivers/pci/pci.c:1194:36: sparse: expected restricted pci_power_t [usertype] current_state
drivers/pci/pci.c:1194:36: sparse: got int
drivers/pci/pci.c:1366:13: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1366:21: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1368:18: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1368:26: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1391:13: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1391:22: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1398:46: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1398:54: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:1756:38: sparse: sparse: array of flexible structures
drivers/pci/pci.c:2335:44: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:2643:60: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:2644:30: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:2837:20: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:2837:38: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:2860:49: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:2860:67: sparse: sparse: restricted pci_power_t degrades to integer
drivers/pci/pci.c:4789:13: sparse: sparse: invalid assignment: |=
drivers/pci/pci.c:4789:13: sparse: left side has type unsigned short
drivers/pci/pci.c:4789:13: sparse: right side has type restricted pci_power_t
drivers/pci/pci.c:4794:13: sparse: sparse: invalid assignment: |=
drivers/pci/pci.c:4794:13: sparse: left side has type unsigned short
drivers/pci/pci.c:4794:13: sparse: right side has type restricted pci_power_t
>> drivers/pci/pci.c:1029:24: sparse: sparse: incorrect type in return expression (different base types) @@ expected int @@ got restricted pci_power_t [usertype] @@
drivers/pci/pci.c:1029:24: sparse: expected int
drivers/pci/pci.c:1029:24: sparse: got restricted pci_power_t [usertype]
>> drivers/pci/pci.c:1029:24: sparse: sparse: incorrect type in return expression (different base types) @@ expected int @@ got restricted pci_power_t [usertype] @@
drivers/pci/pci.c:1029:24: sparse: expected int
drivers/pci/pci.c:1029:24: sparse: got restricted pci_power_t [usertype]
vim +1029 drivers/pci/pci.c
1025
1026 static inline int platform_pci_set_wakeup(struct pci_dev *dev, bool enable)
1027 {
1028 if (pci_use_mid_pm())
> 1029 return PCI_POWER_ERROR;
1030
1031 return pci_platform_pm ?
1032 pci_platform_pm->set_wakeup(dev, enable) : -ENODEV;
1033 }
1034
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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reply other threads:[~2021-11-09 4:15 UTC|newest]
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