linux-kernel - [PATCH 7/8] pohmelfs/connector: Disallow unpliviged users to configure pohmelfs

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Date:	Fri,  2 Oct 2009 14:40:10 +0200
From:	Philipp Reisner <philipp.reisner@...bit.com>
To:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	"David S. Miller" <davem@...emloft.net>, Greg KH <greg@...ah.com>
Cc:	dm-devel@...hat.com, Evgeniy Polyakov <zbr@...emap.net>,
	linux-fbdev-devel@...ts.sourceforge.net,
	Philipp Reisner <philipp.reisner@...bit.com>
Subject: [PATCH 7/8] pohmelfs/connector: Disallow unpliviged users to configure pohmelfs

Signed-off-by: Philipp Reisner <philipp.reisner@...bit.com>
---
 drivers/staging/pohmelfs/config.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/staging/pohmelfs/config.c b/drivers/staging/pohmelfs/config.c
index c9162b3..5d04bf5 100644
--- a/drivers/staging/pohmelfs/config.c
+++ b/drivers/staging/pohmelfs/config.c
@@ -531,6 +531,9 @@ static void pohmelfs_cn_callback(struct cn_msg *msg, struct netlink_skb_parms *n
 {
 	int err;
 
+	if (!cap_raised(nsp->eff_cap, CAP_SYS_ADMIN))
+		return;
+
 	switch (msg->flags) {
 		case POHMELFS_FLAGS_ADD:
 		case POHMELFS_FLAGS_DEL:
-- 
1.6.0.4

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