Hello! This is an experimental automated report about issues detected by Coverity from a scan of next-20200403 as part of the linux-next weekly scan project: https://scan.coverity.com/projects/linux-next-weekly-scan You're getting this email because you were associated with the identified lines of code (noted below) that were touched by recent commits: 314b6580adc5 ("drm/ttm, drm/vmwgfx: Support huge TTM pagefaults") Coverity reported the following: *** CID 1492487: Incorrect expression (PW.ASSIGN_WHERE_COMPARE_MEANT) /drivers/gpu/drm/ttm/ttm_bo_vm.c: 227 in ttm_bo_vm_insert_huge() 221 ret = vmf_insert_pfn_pmd_prot(vmf, pfnt, pgprot, write); 222 #ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD 223 else if (fault_page_size == (HPAGE_PUD_SIZE >> PAGE_SHIFT)) 224 ret = vmf_insert_pfn_pud_prot(vmf, pfnt, pgprot, write); 225 #endif 226 else vvv CID 1492487: Incorrect expression (PW.ASSIGN_WHERE_COMPARE_MEANT) vvv use of "=" where "==" may have been intended 227 WARN_ON_ONCE(ret = VM_FAULT_FALLBACK); 228 229 if (ret != VM_FAULT_NOPAGE) 230 goto out_fallback; 231 232 return VM_FAULT_NOPAGE; If this is a false positive, please let us know so we can mark it as such, or teach the Coverity rules to be smarter. If not, please make sure fixes get into linux-next. :) For patches fixing this, please include these lines (but double-check the "Fixes" first): Reported-by: coverity-bot <keescook+coverity-bot@xxxxxxxxxxxx> Addresses-Coverity-ID: 1492487 ("Incorrect expression") Fixes: 314b6580adc5 ("drm/ttm, drm/vmwgfx: Support huge TTM pagefaults") Thanks for your attention! -- Coverity-bot