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-rw-r--r--kernel/bpf/syscall.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 7626b8024471..2843bbba9ca1 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -1485,8 +1485,10 @@ static int map_lookup_and_delete_elem(union bpf_attr *attr)
if (err)
goto free_value;
- if (copy_to_user(uvalue, value, value_size) != 0)
+ if (copy_to_user(uvalue, value, value_size) != 0) {
+ err = -EFAULT;
goto free_value;
+ }
err = 0;