[PATCH -mm] cciss: select CONFIG_CHECK_SIGNATURE

[Akinobu Mita]

The patch cciss-use-check_signature.patch in -mm tree introduced
a build error:

drivers/built-in.o: In function `CISS_signature_present':
drivers/block/cciss.c:4270: undefined reference to `check_signature'

Add missing CONFIG_CHECK_SIGNATURE to fix this issue.

Reported-by: Fengguang Wu <wfg@xxxxxxxxxxxxxxx>
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Cc: Fengguang Wu <wfg@xxxxxxxxxxxxxxx>
Cc: Mike Miller <mike.miller@xxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Cc: "Stephen M. Cameron" <scameron@xxxxxxxxxxxxxxxxxx>
---
 drivers/block/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index f529407..f7de322 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -131,6 +131,7 @@ config BLK_CPQ_DA
 config BLK_CPQ_CISS_DA
 	tristate "Compaq Smart Array 5xxx support"
 	depends on PCI
+	select CHECK_SIGNATURE
 	help
 	  This is the driver for Compaq Smart Array 5xxx controllers.
 	  Everyone using these boards should say Y here.
-- 
1.7.11.4

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