The patch titled Subject: mm/hmm: fix uninitialized use of 'entry' in hmm_vma_walk_pmd() has been added to the -mm tree. Its filename is mm-hmm-fix-uninitialized-use-of-entry-in-hmm_vma_walk_pmd.patch
This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/mm-hmm-fix-uninitialized-use-of-ent... and later at http://ozlabs.org/~akpm/mmotm/broken-out/mm-hmm-fix-uninitialized-use-of-ent...
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------------------------------------------------------ From: Ralph Campbell rcampbell@nvidia.com Subject: mm/hmm: fix uninitialized use of 'entry' in hmm_vma_walk_pmd()
The variable 'entry' is used before being initialized in hmm_vma_walk_pmd().
Link: http://lkml.kernel.org/r/20180122185759.26286-1-jglisse@redhat.com Signed-off-by: Ralph Campbell rcampbell@nvidia.com Signed-off-by: Jérôme Glisse jglisse@redhat.com Cc: stable@vger.kernel.org Signed-off-by: Andrew Morton akpm@linux-foundation.org ---
mm/hmm.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
diff -puN mm/hmm.c~mm-hmm-fix-uninitialized-use-of-entry-in-hmm_vma_walk_pmd mm/hmm.c --- a/mm/hmm.c~mm-hmm-fix-uninitialized-use-of-entry-in-hmm_vma_walk_pmd +++ a/mm/hmm.c @@ -418,7 +418,7 @@ again: }
if (!pte_present(pte)) { - swp_entry_t entry; + swp_entry_t entry = pte_to_swp_entry(pte);
if (!non_swap_entry(entry)) { if (hmm_vma_walk->fault) @@ -426,8 +426,6 @@ again: continue; }
- entry = pte_to_swp_entry(pte); - /* * This is a special swap entry, ignore migration, use * device and report anything else as error. _
Patches currently in -mm which might be from rcampbell@nvidia.com are
mm-hmm-fix-uninitialized-use-of-entry-in-hmm_vma_walk_pmd.patch