sched: fix double kfree in failure path

It's not the responsibility of init_rootdomain() to free root_domain
allocated by alloc_rootdomain().

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 2 insertions, 3 deletions

diff --git a/kernel/sched.c b/kernel/sched.c
index c5019a5dcaa4..973f97362ceb 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -6970,7 +6970,7 @@ static int init_rootdomain(struct root_domain *rd, bool bootmem)
         }
 
         if (!alloc_cpumask_var(&rd->span, GFP_KERNEL))
-                goto free_rd;
+                goto out;
         if (!alloc_cpumask_var(&rd->online, GFP_KERNEL))
                 goto free_span;
         if (!alloc_cpumask_var(&rd->rto_mask, GFP_KERNEL))
@@ -6986,8 +6986,7 @@ free_online:
         free_cpumask_var(rd->online);
 free_span:
         free_cpumask_var(rd->span);
-free_rd:
-        kfree(rd);
+out:
         return -ENOMEM;
 }