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| author | Olof Johansson <olof@lixom.net> | 2013-12-28 15:38:32 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2013-12-28 15:38:32 -0800 |
| commit | 9b17c16525552b247cb2d9bb8eeadc87950b36ff (patch) | |
| tree | 449426f2b37bb340e286fe0def9bf9cef29ec2a7 /mm/rmap.c | |
| parent | 4cff6123536236fa84f826d9b93452903b90fe2e (diff) | |
| parent | 82f4fe707836e80b0fcaae9a4a1756e6e89c5e62 (diff) | |
Merge tag 'omap-for-v3.13/intc-ldp-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
From Tony Lindgren:
Fix a regression for wrong interrupt numbers for some devices after
the sparse IRQ conversion, fix DRA7 console output for earlyprintk,
and fix the LDP LCD backlight when DSS is built into the kernel and
not as a loadable module.
* tag 'omap-for-v3.13/intc-ldp-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Fix LCD panel backlight regression for LDP legacy booting
ARM: OMAP2+: hwmod_data: fix missing OMAP_INTC_START in irq data
ARM: DRA7: hwmod: Fix boot crash with DEBUG_LL
+ v3.13-rc5
Signed-off-by: Olof Johansson <olof@lixom.net>
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; } |