[33/46] pohmelfs/connector: Disallow unpliviged users to configure pohmelfs

[Greg KH]

2.6.31-stable review patch.  If anyone has any objections, please let us know.

------------------
From: Philipp Reisner <philipp.reisner@xxxxxxxxxx>

(cherry picked from commit 0179065b13b354cc0b940e7a632a65ec0448beff)

Signed-off-by: Philipp Reisner <philipp.reisner@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 drivers/staging/pohmelfs/config.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/staging/pohmelfs/config.c
+++ b/drivers/staging/pohmelfs/config.c
@@ -450,6 +450,9 @@ static void pohmelfs_cn_callback(struct 
 {
 	int err;
 
+	if (!cap_raised(nsp->eff_cap, CAP_SYS_ADMIN))
+		return;
+
 	switch (msg->flags) {
 		case POHMELFS_FLAGS_ADD:
 		case POHMELFS_FLAGS_DEL:


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