[PATCH] arch: frv: kernel: using vsnprintf() instead of vsprintf()

[Chen Gang]

Since die_if_kernel() is an extern common used function, better always
check the buffer length to avoid memory overflow by a long 'str'.


Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx>
---
 arch/frv/kernel/traps.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/frv/kernel/traps.c b/arch/frv/kernel/traps.c
index 4bff48c..a6d105d 100644
--- a/arch/frv/kernel/traps.c
+++ b/arch/frv/kernel/traps.c
@@ -523,7 +523,7 @@ void die_if_kernel(const char *str, ...)
 		return;
 
 	va_start(va, str);
-	vsprintf(buffer, str, va);
+	vsnprintf(buffer, sizeof(buffer), str, va);
 	va_end(va);
 
 	console_verbose();
-- 
1.7.7.6
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