[PATCH 3.16.y-ckt 058/170] init/Kconfig: Hide printk log config if CONFIG_PRINTK=n

[Luis Henriques]

3.16.7-ckt1 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Josh Triplett <josh at joshtriplett.org>

commit 361e9dfbaae84b0b246ed18d1ab7c82a1a41b53e upstream.

The buffers sized by CONFIG_LOG_BUF_SHIFT and
CONFIG_LOG_CPU_MAX_BUF_SHIFT do not exist if CONFIG_PRINTK=n, so don't
ask about their size at all.

Signed-off-by: Josh Triplett <josh at joshtriplett.org>
Acked-by: Randy Dunlap <rdunlap at infradead.org>
[ kamal: backport to 3.13-stable: only LOG_BUF_SHIFT ]
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 init/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/init/Kconfig b/init/Kconfig
index 35685a46e4da..e1f5e082b26b 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -806,6 +806,7 @@ config LOG_BUF_SHIFT
 	int "Kernel log buffer size (16 => 64KB, 17 => 128KB)"
 	range 12 21
 	default 17
+	depends on PRINTK
 	help
 	  Select kernel log buffer size as a power of 2.
 	  Examples:
-- 
2.1.0