When failure occures, __padata_add_cpu() and __padata_remove_cpu() will
return -ENOMEM, which need be noticed in any cases (even in cleaning up
cases).
Signed-off-by: Chen Gang <gang.c...@asianux.com>
---
kernel/padata.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/kernel/padata.c b/kernel/padata.c
index 072f4ee..6a124cd 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -871,16 +871,20 @@ static int padata_cpu_callback(struct notifier_block *nfb,
if (!pinst_has_cpu(pinst, cpu))
break;
mutex_lock(&pinst->lock);
- __padata_remove_cpu(pinst, cpu);
+ err = __padata_remove_cpu(pinst, cpu);
mutex_unlock(&pinst->lock);
+ if (err)
+ return notifier_from_errno(err);
case CPU_DOWN_FAILED:
case CPU_DOWN_FAILED_FROZEN:
if (!pinst_has_cpu(pinst, cpu))
break;
mutex_lock(&pinst->lock);
- __padata_add_cpu(pinst, cpu);
+ err = __padata_add_cpu(pinst, cpu);
mutex_unlock(&pinst->lock);
+ if (err)
+ return notifier_from_errno(err);
}
return NOTIFY_OK;
--
1.7.7.6
--
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