debugfs: fix memory leak problem in read_list()

In read_list func, if strtoull() fails in while loop,
we will return the error code directly. Then, memory of
variable lst will be leaked without setting to *list.

Signed-off-by: Zhiqiang Liu <liuzhiqiang26@huawei.com>
Signed-off-by: linfeilong <linfeilong@huawei.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
1 file changed