Messages in this thread Patch in this message | | | Date | Mon, 18 Dec 2006 15:11:34 +0300 | From | Kirill Korotaev <> | Subject | [PATCH] IA64: virt_to_page() can be called with NULL arg |
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[IA64] virt_to_page() cannot be called with NULL (mainstream bug)
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>
--- linus-2.6.git/include/asm-ia64/pgalloc.h.orig 2006-12-18 14:59:09.000000000 +0300 +++ linus-2.6.git/include/asm-ia64/pgalloc.h 2006-12-18 15:07:44.000000000 +0300 @@ -137,7 +137,8 @@ pmd_populate_kernel(struct mm_struct *mm 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, - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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