[tixy:tracking-armlt-gator 1/6] drivers/gator/gator_events_meminfo.c:371:26: sparse: incorrect type in initializer (different modifiers)

From: kbuild test robot
Date: Tue Dec 16 2014 - 13:08:41 EST


tree: https://git.linaro.org/people/tixy/kernel tracking-armlt-gator
head: 9b552ac355654e1fdd504f4b84b57c971084d83e
commit: a7bdf015d9043286f35de13eb11f54f64f2af143 [1/6] gator: Version 5.20
reproduce:
# apt-get install sparse
git checkout a7bdf015d9043286f35de13eb11f54f64f2af143
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

>> drivers/gator/gator_events_meminfo.c:371:26: sparse: incorrect type in initializer (different modifiers)
drivers/gator/gator_events_meminfo.c:371:26: expected long long *buf
drivers/gator/gator_events_meminfo.c:371:26: got long long [noderef] *<noident>
--
>> drivers/gator/gator_events_net.c:48:1: sparse: symbol 'wq_get_stats' was not declared. Should it be static?
>> drivers/gator/gator_events_net.c:98:27: sparse: Using plain integer as NULL pointer
--
>> drivers/gator/gator_events_perf_pmu.c:140:60: sparse: Using plain integer as NULL pointer
>> drivers/gator/gator_events_perf_pmu.c:151:83: sparse: Using plain integer as NULL pointer
>> drivers/gator/gator_events_perf_pmu.c:151:95: sparse: Using plain integer as NULL pointer
>> drivers/gator/gator_events_perf_pmu.c:519:74: sparse: Using plain integer as NULL pointer
>> drivers/gator/gator_events_perf_pmu.c:519:92: sparse: Using plain integer as NULL pointer
>> drivers/gator/gator_events_perf_pmu.c:530:72: sparse: Using plain integer as NULL pointer
>> drivers/gator/gator_events_perf_pmu.c:530:90: sparse: Using plain integer as NULL pointer

Please review and possibly fold the followup patch.

vim +371 drivers/gator/gator_events_meminfo.c

355 #endif
356 #endif
357 }
358
359 #define get_mm_counter(mm, member) gator_get_mm_counter(mm, member)
360
361 #endif
362
363 static int gator_events_meminfo_read_proc(long long **buffer, struct task_struct *task)
364 {
365 struct mm_struct *mm;
366 u64 share = 0;
367 int i;
368 long long value;
369 int len = 0;
370 int cpu = get_physical_cpu();
> 371 long long *buf = per_cpu(proc_buffer, cpu);
372
373 if (!proc_global_enabled)
374 return 0;
375
376 /* Collect the memory stats of the process instead of the thread */
377 if (task->group_leader != NULL)
378 task = task->group_leader;
379

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