* [PATCH] rdmacg: Fixed uninitialized current resource usage
@ 2017-01-10 17:51 Parav Pandit
[not found] ` <1484070708-5422-1-git-send-email-pandit.parav-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
0 siblings, 1 reply; 2+ messages in thread
From: Parav Pandit @ 2017-01-10 17:51 UTC (permalink / raw)
To: cgroups-u79uwXL29TY76Z2rM5mHXA, tj-DgEjT+Ai2ygdnm+yROfE0A
Cc: pandit.parav-Re5JQEeQqe8AvxtiuMwx3w
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-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
kernel/cgroup/rdma.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/kernel/cgroup/rdma.c b/kernel/cgroup/rdma.c
index 021bee7..defad3c 100644
--- 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)
--
2.7.4
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2017-01-10 17:51 [PATCH] rdmacg: Fixed uninitialized current resource usage Parav Pandit
[not found] ` <1484070708-5422-1-git-send-email-pandit.parav-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-01-10 17:53 ` Tejun Heo
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