1 files changed, 1 insertions, 0 deletions

diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c
index d7cbc579fc80..a67a1dc3cfa3 100644
--- a/kernel/perf_counter.c
+++ b/kernel/perf_counter.c
@@ -4171,6 +4171,7 @@ static int perf_copy_attr(struct perf_counter_attr __user *uattr,
                         if (val)
                                 goto err_size;
                 }
+                size = sizeof(*attr);
         }
 
         ret = copy_from_user(attr, uattr, size);