selinux: implement mmap on /selinux/policy

/selinux/policy allows a user to copy the policy back out of the kernel.
This patch allows userspace to actually mmap that file and use it directly.

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index 7565d16aac31..3a1739b33b78 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -3169,7 +3169,7 @@ int security_read_policy(void **data, ssize_t *len)
 
         *len = security_policydb_len();
 
-        *data = vmalloc(*len);
+        *data = vmalloc_user(*len);
         if (!*data)
                 return -ENOMEM;