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Subject[32/46] dst/connector: Disallow unpliviged users to configure dst
2.6.31-stable review patch.  If anyone has any objections, please let us know.

------------------
From: Philipp Reisner <philipp.reisner@linbit.com>
(cherry picked from commit dbbb3431228784612848a1ec6061c78b4b708b5c)

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
drivers/staging/dst/dcore.c | 5 +++++
1 file changed, 5 insertions(+)
--- a/drivers/staging/dst/dcore.c
+++ b/drivers/staging/dst/dcore.c
@@ -854,6 +854,11 @@ static void cn_dst_callback(struct cn_ms
struct dst_node *n = NULL, *tmp;
unsigned int hash;

+ if (!cap_raised(nsp->eff_cap, CAP_SYS_ADMIN)) {
+ err = -EPERM;
+ goto out;
+ }
+
if (msg->len < sizeof(struct dst_ctl)) {
err = -EBADMSG;
goto out;



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