linux-kernel - [PATCH] drivers: staging: zcache: fix Kconfig crypto dependency

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Message-Id: <1335231230-29344-1-git-send-email-sjenning@linux.vnet.ibm.com>
Date:	Mon, 23 Apr 2012 20:33:50 -0500
From:	Seth Jennings <sjenning@...ux.vnet.ibm.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Seth Jennings <sjenning@...ux.vnet.ibm.com>,
	Dan Magenheimer <dan.magenheimer@...cle.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Nitin Gupta <ngupta@...are.org>,
	Robert Jennings <rcj@...ux.vnet.ibm.com>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, Autif Khan <autif.mlist@...il.com>
Subject: [PATCH] drivers: staging: zcache: fix Kconfig crypto dependency

ZCACHE is a boolean in the Kconfig.  When selected, it
should require that CRYPTO be builtin (=y).

Currently, ZCACHE=y and CRYPTO=m is a valid configuration
when it should not be.

This patch changes the zcache Kconfig to enforce this
dependency.

Signed-off-by: Seth Jennings <sjenning@...ux.vnet.ibm.com>
---
 drivers/staging/zcache/Kconfig |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/staging/zcache/Kconfig b/drivers/staging/zcache/Kconfig
index 3ed2c8f..7048e01 100644
--- a/drivers/staging/zcache/Kconfig
+++ b/drivers/staging/zcache/Kconfig
@@ -2,7 +2,7 @@ config ZCACHE
 	bool "Dynamic compression of swap pages and clean pagecache pages"
 	# X86 dependency is because zsmalloc uses non-portable pte/tlb
 	# functions
-	depends on (CLEANCACHE || FRONTSWAP) && CRYPTO && X86
+	depends on (CLEANCACHE || FRONTSWAP) && CRYPTO=y && X86
 	select ZSMALLOC
 	select CRYPTO_LZO
 	default n
-- 
1.7.5.4

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