From: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Date: Thu, 14 Nov 2013 22:31:32 +0000 (-0800)
Subject: ia64: handle pgtable_page_ctor() fail
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ca973d86d4c5b70c32e7b91ce08f3e8e061e2535;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

ia64: handle pgtable_page_ctor() fail

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/arch/ia64/include/asm/pgalloc.h b/arch/ia64/include/asm/pgalloc.h
index 96a8d927db28..5767cdfc08db 100644
--- a/arch/ia64/include/asm/pgalloc.h
+++ b/arch/ia64/include/asm/pgalloc.h
@@ -91,7 +91,10 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addr)
 	if (!pg)
 		return NULL;
 	page = virt_to_page(pg);
-	pgtable_page_ctor(page);
+	if (!pgtable_page_ctor(page)) {
+		quicklist_free(0, NULL, pg);
+		return NULL;
+	}
 	return page;
 }