linux-kernel - [PATCH 06/12] zcrypt: Use nonseekable

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Date:	Fri,  9 Apr 2010 16:00:49 +0200
From:	Jan Blunck <jblunck@...e.de>
To:	Linux-Kernel Mailinglist <linux-kernel@...r.kernel.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Arnd Bergmann <arnd@...db.de>, Alan Cox <alan@...ux.intel.com>,
	Jan Blunck <jblunck@...e.de>
Subject: [PATCH 06/12] zcrypt: Use nonseekable_open()

zcrypt doesn't even allow to read/write the files it opens. So seeking on
it shouldn't fall back to defaults either but should be disallowed as well.

Signed-off-by: Jan Blunck <jblunck@...e.de>
---
 drivers/s390/crypto/zcrypt_api.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index ba50fe0..18a986d 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -301,7 +301,7 @@ static ssize_t zcrypt_write(struct file *filp, const char __user *buf,
 static int zcrypt_open(struct inode *inode, struct file *filp)
 {
 	atomic_inc(&zcrypt_open_count);
-	return 0;
+	return nonseekable_open(inode, filp);
 }
 
 /**
-- 
1.6.4.2

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