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[tip:WIP.core/stacktrace 34/47] drivers/gpu/drm/drm_mm.c:136:3: error: implicit declaration of function 'stack_trace_snprintf'; did you mean 'stack_trace_snprint'?




tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.core/stacktrace
head:   63c35ea6b829a0f98d307a8dec038095681ecd13
commit: 6476291d5b823a05b9c903a65a5f6e6026a02606 [34/47] drm: Simplify stacktrace handling
config: i386-randconfig-x019-201915 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        git checkout 6476291d5b823a05b9c903a65a5f6e6026a02606
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/gpu/drm/drm_mm.c: In function 'show_leaks':
>> drivers/gpu/drm/drm_mm.c:136:3: error: implicit declaration of function 'stack_trace_snprintf'; did you mean 'stack_trace_snprint'? [-Werror=implicit-function-declaration]
      stack_trace_snprintf(buf, BUFSZ, entries, nr_entries, 0);
      ^~~~~~~~~~~~~~~~~~~~
      stack_trace_snprint
   cc1: some warnings being treated as errors

vim +136 drivers/gpu/drm/drm_mm.c

   116	
   117	static void show_leaks(struct drm_mm *mm)
   118	{
   119		struct drm_mm_node *node;
   120		unsigned long *entries;
   121		unsigned int nr_entries;
   122		char *buf;
   123	
   124		buf = kmalloc(BUFSZ, GFP_KERNEL);
   125		if (!buf)
   126			return;
   127	
   128		list_for_each_entry(node, drm_mm_nodes(mm), node_list) {
   129			if (!node->stack) {
   130				DRM_ERROR("node [%08llx + %08llx]: unknown owner\n",
   131					  node->start, node->size);
   132				continue;
   133			}
   134	
   135			nr_entries = stack_depot_fetch(node->stack, &entries);
 > 136			stack_trace_snprintf(buf, BUFSZ, entries, nr_entries, 0);
   137			DRM_ERROR("node [%08llx + %08llx]: inserted at\n%s",
   138				  node->start, node->size, buf);
   139		}
   140	
   141		kfree(buf);
   142	}
   143	

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

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