xen/privcmd: Relax access control in privcmd_ioctl_mmap

[firefly-linux-kernel-4.4.55.git] / drivers / xen / privcmd.c

diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
index b9d08987a5a5183648cca5c83d6788cf7e0eaaf5..f6316127f53fab83faedf9f0b273f92a48168c43 100644 (file)
--- a/drivers/xen/privcmd.c
+++ b/drivers/xen/privcmd.c
@@ -199,9 +199,6 @@ static long privcmd_ioctl_mmap(void __user *udata)
        LIST_HEAD(pagelist);
        struct mmap_mfn_state state;
 
-       if (!xen_initial_domain())
-               return -EPERM;
-
        /* We only support privcmd_ioctl_mmap_batch for auto translated. */
        if (xen_feature(XENFEAT_auto_translated_physmap))
                return -ENOSYS;
@@ -360,9 +357,6 @@ static long privcmd_ioctl_mmap_batch(void __user *udata, int version)
        int *err_array = NULL;
        struct mmap_batch_state state;
 
-       if (!xen_initial_domain())
-               return -EPERM;
-
        switch (version) {
        case 1:
                if (copy_from_user(&m, udata, sizeof(struct privcmd_mmapbatch)))