linux-kernel - [PATCH V2 02/10] kasan: MODULE_VADDR is not available on all archs

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Date:	Wed, 26 Aug 2015 13:56:10 +0530
From:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
To:	benh@...nel.crashing.org, paulus@...ba.org, mpe@...erman.id.au,
	ryabinin.a.a@...il.com
Cc:	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
Subject: [PATCH V2 02/10] kasan: MODULE_VADDR is not available on all archs

Conditionalize the check using #ifdef

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@...ux.vnet.ibm.com>
---
 mm/kasan/report.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index e07c94fbd0ac..71ce7548d914 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -85,9 +85,14 @@ static void print_error_description(struct kasan_access_info *info)
 
 static inline bool kernel_or_module_addr(const void *addr)
 {
-	return (addr >= (void *)_stext && addr < (void *)_end)
-		|| (addr >= (void *)MODULES_VADDR
-			&& addr < (void *)MODULES_END);
+	if (addr >= (void *)_stext && addr < (void *)_end)
+		return true;
+#if defined(CONFIG_MODULES) && defined(MODULES_VADDR)
+	if (addr >= (void *)MODULES_VADDR
+			&& addr < (void *)MODULES_END)
+		return true;
+#endif
+	return false;
 }
 
 static inline bool init_task_stack_addr(const void *addr)
-- 
2.5.0

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