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| author |   Kirill Korotaev <dev@openvz.org> | 2007-02-05 16:20:00 -0800 |
|---|---|---|
| committer |   Tony Luck <tony.luck@intel.com> | 2007-02-05 16:47:02 -0800 |
| commit | 71120061f271f00d8280659bf12e065ca6533d4d (patch) | |
| tree | 1b144732a410c0bbefea3e9d264f815e789f5ed5 | |
| parent | [IA64] alignment bug in ldscript (diff) | |
| download | linux-dev-71120061f271f00d8280659bf12e065ca6533d4d.tar.xz linux-dev-71120061f271f00d8280659bf12e065ca6533d4d.zip | |
[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>
| -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 393e04c42a2c..560c287b1233 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, |