diff options
| author | Mark Brown <broonie@linaro.org> | 2013-12-31 12:59:55 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-12-31 12:59:55 +0000 |
| commit | 68066bb378a0504439e046cdb55d88362eb6379d (patch) | |
| tree | 0b60f72ddf7108a63dd4db617b42e07fbae5346d /mm/rmap.c | |
| parent | 43f627ac9de42607b2cdcc7a41f2bcc82187e06a (diff) | |
| parent | 802eee95bde72fd0cd0f3a5b2098375a487d1eda (diff) | |
Merge tag 'v3.13-rc6' into spi-dw
To resolve trivial overlaps with fixes.
Linux 3.13-rc6
Diffstat (limited to 'mm/rmap.c')
| -rw-r--r-- | mm/rmap.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/rmap.c b/mm/rmap.c index 55c8b8dc9ff..068522d8502 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -600,7 +600,11 @@ pte_t *__page_check_address(struct page *page, struct mm_struct *mm, spinlock_t *ptl; if (unlikely(PageHuge(page))) { + /* when pud is not present, pte will be NULL */ pte = huge_pte_offset(mm, address); + if (!pte) + return NULL; + ptl = huge_pte_lockptr(page_hstate(page), mm, pte); goto check; } |