rdmacg: Fixed uninitialized current resource usage

Fixed warning reported by kbuild test robot.
When reading current resource usage value, when no resources are
allocated, its possible that it can report a uninitialized value
for current resource usage.
This fix avoids it by initializing it to zero as no resource is
allocated.

Signed-off-by: Parav Pandit <pandit.parav@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/kernel/cgroup/rdma.c b/kernel/cgroup/rdma.c
index 021bee7a9692c448d64b6a2c6bb41de6af46eac5..defad3c5e7dc2a9d60d34b46729f18f71393aeb6 100644 (file)
--- a/kernel/cgroup/rdma.c
+++ b/kernel/cgroup/rdma.c
@@ -518,6 +518,8 @@ static void print_rpool_values(struct seq_file *sf,
                } else {
                        if (rpool)
                                value = rpool->resources[i].usage;
+                       else
+                               value = 0;
                }
 
                if (value == S32_MAX)