linux-kernel - [PATCH 6/7] pohmelfs/connector: Disallow unpliviged users to configure pohmelfs

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Date:	Tue, 13 Oct 2009 11:28:17 +0200
From:	Philipp Reisner <philipp.reisner@...bit.com>
To:	Greg KH <greg@...ah.com>
Cc:	linux-kernel@...r.kernel.org, serue@...ibm.com,
	Philipp Reisner <philipp.reisner@...bit.com>
Subject: [PATCH 6/7] pohmelfs/connector: Disallow unpliviged users to configure pohmelfs

Signed-off-by: Philipp Reisner <philipp.reisner@...bit.com>
(cherry picked from commit 0179065b13b354cc0b940e7a632a65ec0448beff)
---
 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 1b4d564..d8ec47a 100644
--- a/drivers/staging/pohmelfs/config.c
+++ b/drivers/staging/pohmelfs/config.c
@@ -450,6 +450,9 @@ 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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