[tegra-drm:drm/tegra/for-next 27/35] drivers/gpu/host1x/job.c:103:33: error: 'struct host1x_job' has no member named 'num_cmdbufs'

[kbuild test robot]

tree:   git://anongit.freedesktop.org/tegra/linux.git drm/tegra/for-next
head:   b9136bd01841a63b7706db69e1da8843c8622a9f
commit: c8d8568a8dbb4dc455ceaca7b95108d85b3d4798 [27/35] gpu: host1x: Use not explicitly sized types
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout c8d8568a8dbb4dc455ceaca7b95108d85b3d4798
        # save the attached .config to linux build tree
        make.cross ARCH=arm64 

All errors (new ones prefixed by >>):

   In file included from arch/arm64/include/asm/bug.h:37:0,
                    from include/linux/bug.h:5,
                    from arch/arm64/include/asm/ptrace.h:86,
                    from arch/arm64/include/asm/fpsimd.h:19,
                    from arch/arm64/include/asm/cpufeature.h:14,
                    from arch/arm64/include/asm/processor.h:42,
                    from include/linux/mutex.h:19,
                    from include/linux/kernfs.h:13,
                    from include/linux/sysfs.h:16,
                    from include/linux/kobject.h:20,
                    from include/linux/device.h:16,
                    from include/linux/dma-mapping.h:7,
                    from drivers/gpu/host1x/job.c:19:
   drivers/gpu/host1x/job.c: In function 'host1x_job_add_gather':
>> drivers/gpu/host1x/job.c:103:33: error: 'struct host1x_job' has no member named 'num_cmdbufs'
     WARN_ON(job->num_gathers >= job->num_cmdbufs);
                                    ^
   include/asm-generic/bug.h:112:25: note: in definition of macro 'WARN_ON'
     int __ret_warn_on = !!(condition);    \
                            ^~~~~~~~~

vim +103 drivers/gpu/host1x/job.c

  > 19	#include <linux/dma-mapping.h>
    20	#include <linux/err.h>
    21	#include <linux/host1x.h>
    22	#include <linux/kref.h>
    23	#include <linux/module.h>
    24	#include <linux/scatterlist.h>
    25	#include <linux/slab.h>
    26	#include <linux/vmalloc.h>
    27	#include <trace/events/host1x.h>
    28	
    29	#include "channel.h"
    30	#include "dev.h"
    31	#include "job.h"
    32	#include "syncpt.h"
    33	
    34	#define HOST1X_WAIT_SYNCPT_OFFSET 0x8
    35	
    36	struct host1x_job *host1x_job_alloc(struct host1x_channel *ch,
    37					    u32 num_cmdbufs, u32 num_relocs)
    38	{
    39		struct host1x_job *job = NULL;
    40		unsigned int num_unpins = num_cmdbufs + num_relocs;
    41		u64 total;
    42		void *mem;
    43	
    44		/* Check that we're not going to overflow */
    45		total = sizeof(struct host1x_job) +
    46			(u64)num_relocs * sizeof(struct host1x_reloc) +
    47			(u64)num_unpins * sizeof(struct host1x_job_unpin_data) +
    48			(u64)num_cmdbufs * sizeof(struct host1x_job_gather) +
    49			(u64)num_unpins * sizeof(dma_addr_t) +
    50			(u64)num_unpins * sizeof(u32 *);
    51		if (total > ULONG_MAX)
    52			return NULL;
    53	
    54		mem = job = kzalloc(total, GFP_KERNEL);
    55		if (!job)
    56			return NULL;
    57	
    58		kref_init(&job->ref);
    59		job->channel = ch;
    60	
    61		/* Redistribute memory to the structs  */
    62		mem += sizeof(struct host1x_job);
    63		job->relocs = num_relocs ? mem : NULL;
    64		mem += num_relocs * sizeof(struct host1x_reloc);
    65		job->unpins = num_unpins ? mem : NULL;
    66		mem += num_unpins * sizeof(struct host1x_job_unpin_data);
    67		job->gathers = num_cmdbufs ? mem : NULL;
    68		mem += num_cmdbufs * sizeof(struct host1x_job_gather);
    69		job->addr_phys = num_unpins ? mem : NULL;
    70	
    71		job->reloc_addr_phys = job->addr_phys;
    72		job->gather_addr_phys = &job->addr_phys[num_relocs];
    73	
    74		return job;
    75	}
    76	EXPORT_SYMBOL(host1x_job_alloc);
    77	
    78	struct host1x_job *host1x_job_get(struct host1x_job *job)
    79	{
    80		kref_get(&job->ref);
    81		return job;
    82	}
    83	EXPORT_SYMBOL(host1x_job_get);
    84	
    85	static void job_free(struct kref *ref)
    86	{
    87		struct host1x_job *job = container_of(ref, struct host1x_job, ref);
    88	
    89		kfree(job);
    90	}
    91	
    92	void host1x_job_put(struct host1x_job *job)
    93	{
    94		kref_put(&job->ref, job_free);
    95	}
    96	EXPORT_SYMBOL(host1x_job_put);
    97	
    98	void host1x_job_add_gather(struct host1x_job *job, struct host1x_bo *bo,
    99				   unsigned int words, unsigned int offset)
   100	{
   101		struct host1x_job_gather *gather = &job->gathers[job->num_gathers];
   102	
 > 103		WARN_ON(job->num_gathers >= job->num_cmdbufs);
   104	
   105		gather->words = words;
   106		gather->bo = bo;
   107		gather->offset = offset;
   108	
   109		job->num_gathers++;
   110	}
   111	EXPORT_SYMBOL(host1x_job_add_gather);
   112	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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