* arch/powerpc/platforms/pseries/papr-hvpipe.c:121:24: sparse: sparse: incorrect type in return expression (different base types)
@ 2026-05-13 14:48 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-05-13 14:48 UTC (permalink / raw)
To: Haren Myneni
Cc: oe-kbuild-all, linux-kernel, Madhavan Srinivasan,
Mahesh Salgaonkar, Tyrel Datwyler
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 1d5dcaa3bd65f2e8c9baa14a393d3a2dc5db7524
commit: 814ef095f12c9fa142043ee689500f3a41bb6dab powerpc/pseries: Add papr-hvpipe char driver for HVPIPE interfaces
date: 8 months ago
config: powerpc64-randconfig-r122-20260512 (https://download.01.org/0day-ci/archive/20260513/202605132225.rUDqmkgc-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 5bac06718f502014fade905512f1d26d578a18f3)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260513/202605132225.rUDqmkgc-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Fixes: 814ef095f12c ("powerpc/pseries: Add papr-hvpipe char driver for HVPIPE interfaces")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202605132225.rUDqmkgc-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> arch/powerpc/platforms/pseries/papr-hvpipe.c:121:24: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __poll_t @@ got int @@
arch/powerpc/platforms/pseries/papr-hvpipe.c:121:24: sparse: expected restricted __poll_t
arch/powerpc/platforms/pseries/papr-hvpipe.c:121:24: sparse: got int
vim +121 arch/powerpc/platforms/pseries/papr-hvpipe.c
108
109 /*
110 * The user space waits for the payload to receive.
111 * The hypervisor sends HVPIPE event message to the partition
112 * when the payload is available. The event handler wakeup FD
113 * depends on the source ID in the message event.
114 */
115 static __poll_t papr_hvpipe_handle_poll(struct file *filp,
116 struct poll_table_struct *wait)
117 {
118 struct hvpipe_source_info *src_info = filp->private_data;
119
120 if (!src_info)
> 121 return POLLNVAL;
122
123 return 0;
124 }
125
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread* arch/powerpc/platforms/pseries/papr-hvpipe.c:121:24: sparse: sparse: incorrect type in return expression (different base types)
@ 2026-05-13 0:45 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-05-13 0:45 UTC (permalink / raw)
To: Haren Myneni
Cc: oe-kbuild-all, linux-kernel, Madhavan Srinivasan,
Mahesh Salgaonkar, Tyrel Datwyler
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 1d5dcaa3bd65f2e8c9baa14a393d3a2dc5db7524
commit: 814ef095f12c9fa142043ee689500f3a41bb6dab powerpc/pseries: Add papr-hvpipe char driver for HVPIPE interfaces
date: 8 months ago
config: powerpc64-randconfig-r122-20260512 (https://download.01.org/0day-ci/archive/20260513/202605130836.yFqJDKvE-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 5bac06718f502014fade905512f1d26d578a18f3)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260513/202605130836.yFqJDKvE-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Fixes: 814ef095f12c ("powerpc/pseries: Add papr-hvpipe char driver for HVPIPE interfaces")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202605130836.yFqJDKvE-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> arch/powerpc/platforms/pseries/papr-hvpipe.c:121:24: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __poll_t @@ got int @@
arch/powerpc/platforms/pseries/papr-hvpipe.c:121:24: sparse: expected restricted __poll_t
arch/powerpc/platforms/pseries/papr-hvpipe.c:121:24: sparse: got int
vim +121 arch/powerpc/platforms/pseries/papr-hvpipe.c
108
109 /*
110 * The user space waits for the payload to receive.
111 * The hypervisor sends HVPIPE event message to the partition
112 * when the payload is available. The event handler wakeup FD
113 * depends on the source ID in the message event.
114 */
115 static __poll_t papr_hvpipe_handle_poll(struct file *filp,
116 struct poll_table_struct *wait)
117 {
118 struct hvpipe_source_info *src_info = filp->private_data;
119
120 if (!src_info)
> 121 return POLLNVAL;
122
123 return 0;
124 }
125
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread
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