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author | Kirill Korotaev <dev@openvz.org> | 2007-02-06 00:20:00 (GMT) |
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committer | Tony Luck <tony.luck@intel.com> | 2007-02-06 00:47:02 (GMT) |
commit | 71120061f271f00d8280659bf12e065ca6533d4d (patch) | |
tree | 1b144732a410c0bbefea3e9d264f815e789f5ed5 /include/asm-ia64/pgalloc.h | |
parent | d00195ebc18049f067c8e389c186aa6f5d2b659f (diff) | |
download | linux-fsl-qoriq-71120061f271f00d8280659bf12e065ca6533d4d.tar.xz |
[IA64] virt_to_page() can be called with NULL arg
It does not return NULL when arg is NULL.
Signed-off-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Signed-off-by: Kirill Korotaev <dev@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'include/asm-ia64/pgalloc.h')
-rw-r--r-- | include/asm-ia64/pgalloc.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/asm-ia64/pgalloc.h b/include/asm-ia64/pgalloc.h index 393e04c..560c287 100644 --- a/include/asm-ia64/pgalloc.h +++ b/include/asm-ia64/pgalloc.h @@ -137,7 +137,8 @@ pmd_populate_kernel(struct mm_struct *mm, pmd_t * pmd_entry, pte_t * pte) static inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long addr) { - return virt_to_page(pgtable_quicklist_alloc()); + void *pg = pgtable_quicklist_alloc(); + return pg ? virt_to_page(pg) : NULL; } static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, |