Messages in this thread | | | Date | Tue, 9 Nov 2021 12:14:29 +0800 | From | kernel test robot <> | Subject | drivers/pci/pci.c:1029:24: sparse: sparse: incorrect type in return expression (different base types) |
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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
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