staging: binder: correct ptr handling

The bug occurs if CONFIG_ANDROID_BINDER_IPC_32BIT
is not defined in 32-bit kernel.

diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c
index c69c40d..d53ab57 100644 (file)
--- a/drivers/staging/android/binder.c
+++ b/drivers/staging/android/binder.c
@@ -2047,7 +2047,7 @@ static int binder_thread_write(struct binder_proc *proc,
                        if (get_user(cookie, (binder_uintptr_t __user *)ptr))
                                return -EFAULT;
 
-                       ptr += sizeof(void *);
+                       ptr += sizeof(binder_uintptr_t);
                        list_for_each_entry(w, &proc->delivered_death, entry) {
                                struct binder_ref_death *tmp_death = container_of(w, struct binder_ref_death, work);