To suppress this warning:
warning: ‘err’ may be used uninitialized in this function [-Wmaybe-uninitialized]
int err;
^
Use the uninitialized_var() to decalre err. It also serves to be good documetation.
Signed-off-by: Jianyu Zhan <nasa4836@xxxxxxxxx>
---
kernel/cgroup.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 24675f5..930569c 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -4144,7 +4144,7 @@ static int create_css(struct cgroup *cgrp, struct cgroup_subsys *ss)
{
struct cgroup *parent = cgrp->parent;
struct cgroup_subsys_state *css;
- int err;
+ int uninitialized_var(err);
lockdep_assert_held(&cgroup_mutex);
--
2.0.0-rc0
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