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-rw-r--r--kernel/freezer.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/freezer.c b/kernel/freezer.c
index 7be56c534397..3f460104a9d6 100644
--- a/kernel/freezer.c
+++ b/kernel/freezer.c
@@ -58,7 +58,13 @@ void refrigerator(void)
current->flags &= ~PF_FREEZING;
pr_debug("%s left refrigerator\n", current->comm);
- __set_current_state(save);
+
+ /*
+ * Restore saved task state before returning. The mb'd version
+ * needs to be used; otherwise, it might silently break
+ * synchronization which depends on ordered task state change.
+ */
+ set_current_state(save);
}
EXPORT_SYMBOL(refrigerator);