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charset=us-ascii Content-Disposition: inline BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: linux-kernel@vger.kernel.org TO: Rob Clark tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: e7c375b181600caf135cfd03eadbc45eb530f2cb commit: 830d68f2cb8ab6fb798bb9555016709a9e012af0 drm/msm: Fix pgtable prealloc error path date: 5 weeks ago :::::: branch date: 9 hours ago :::::: commit date: 5 weeks ago config: um-randconfig-r053-20251118 (https://download.01.org/0day-ci/archive/20251118/202511181058.kGAA7N2y-lkp@intel.com/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 0bba1e76581bad04e7d7f09f5115ae5e2989e0d9) 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 | Reported-by: kernel test robot | Reported-by: Julia Lawall | Closes: https://lore.kernel.org/r/202511181058.kGAA7N2y-lkp@intel.com/ cocci warnings: (new ones prefixed by >>) >> drivers/gpu/drm/msm/msm_iommu.c:341:16-17: WARNING kvmalloc is used to allocate this memory at line 335 vim +341 drivers/gpu/drm/msm/msm_iommu.c e601ea31d66ba8 Rob Clark 2025-06-29 328 e601ea31d66ba8 Rob Clark 2025-06-29 329 static int e601ea31d66ba8 Rob Clark 2025-06-29 330 msm_iommu_pagetable_prealloc_allocate(struct msm_mmu *mmu, struct msm_mmu_prealloc *p) e601ea31d66ba8 Rob Clark 2025-06-29 331 { e601ea31d66ba8 Rob Clark 2025-06-29 332 struct kmem_cache *pt_cache = get_pt_cache(mmu); e601ea31d66ba8 Rob Clark 2025-06-29 333 int ret; e601ea31d66ba8 Rob Clark 2025-06-29 334 e601ea31d66ba8 Rob Clark 2025-06-29 @335 p->pages = kvmalloc_array(p->count, sizeof(p->pages), GFP_KERNEL); e601ea31d66ba8 Rob Clark 2025-06-29 336 if (!p->pages) e601ea31d66ba8 Rob Clark 2025-06-29 337 return -ENOMEM; e601ea31d66ba8 Rob Clark 2025-06-29 338 e601ea31d66ba8 Rob Clark 2025-06-29 339 ret = kmem_cache_alloc_bulk(pt_cache, GFP_KERNEL, p->count, p->pages); e601ea31d66ba8 Rob Clark 2025-06-29 340 if (ret != p->count) { 830d68f2cb8ab6 Rob Clark 2025-10-06 @341 kfree(p->pages); 830d68f2cb8ab6 Rob Clark 2025-10-06 342 p->pages = NULL; e601ea31d66ba8 Rob Clark 2025-06-29 343 p->count = ret; e601ea31d66ba8 Rob Clark 2025-06-29 344 return -ENOMEM; e601ea31d66ba8 Rob Clark 2025-06-29 345 } e601ea31d66ba8 Rob Clark 2025-06-29 346 e601ea31d66ba8 Rob Clark 2025-06-29 347 return 0; e601ea31d66ba8 Rob Clark 2025-06-29 348 } e601ea31d66ba8 Rob Clark 2025-06-29 349 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki