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path: root/drivers/staging/android/binder.c
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Diffstat (limited to 'drivers/staging/android/binder.c')
-rw-r--r--drivers/staging/android/binder.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c
index 574e99210c3..8e35d4b2524 100644
--- a/drivers/staging/android/binder.c
+++ b/drivers/staging/android/binder.c
@@ -47,7 +47,7 @@ static HLIST_HEAD(binder_dead_nodes);
static struct dentry *binder_debugfs_dir_entry_root;
static struct dentry *binder_debugfs_dir_entry_proc;
static struct binder_node *binder_context_mgr_node;
-static uid_t binder_context_mgr_uid = -1;
+static kuid_t binder_context_mgr_uid = INVALID_UID;
static int binder_last_id;
static struct workqueue_struct *binder_deferred_workqueue;
@@ -356,7 +356,7 @@ struct binder_transaction {
unsigned int flags;
long priority;
long saved_priority;
- uid_t sender_euid;
+ kuid_t sender_euid;
};
static void
@@ -2427,7 +2427,7 @@ retry:
}
tr.code = t->code;
tr.flags = t->flags;
- tr.sender_euid = t->sender_euid;
+ tr.sender_euid = from_kuid(current_user_ns(), t->sender_euid);
if (t->from) {
struct task_struct *sender = t->from->proc->tsk;
@@ -2705,12 +2705,12 @@ static long binder_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
ret = -EBUSY;
goto err;
}
- if (binder_context_mgr_uid != -1) {
- if (binder_context_mgr_uid != current->cred->euid) {
+ if (uid_valid(binder_context_mgr_uid)) {
+ if (!uid_eq(binder_context_mgr_uid, current->cred->euid)) {
pr_err("binder: BINDER_SET_"
"CONTEXT_MGR bad uid %d != %d\n",
- current->cred->euid,
- binder_context_mgr_uid);
+ from_kuid(&init_user_ns, current->cred->euid),
+ from_kuid(&init_user_ns, binder_context_mgr_uid));
ret = -EPERM;
goto err;
}