1 files changed, 8 insertions, 9 deletions

diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index a5386e3ee756..7a9427e9fe47 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -47,18 +47,17 @@ static inline bool should_send_signal(struct task_struct *p)
 /* Takes and releases task alloc lock using task_lock() */
 extern int thaw_process(struct task_struct *p);
 
-extern void refrigerator(void);
+extern bool __refrigerator(void);
 extern int freeze_processes(void);
 extern int freeze_kernel_threads(void);
 extern void thaw_processes(void);
 
-static inline int try_to_freeze(void)
+static inline bool try_to_freeze(void)
 {
-        if (freezing(current)) {
-                refrigerator();
-                return 1;
-        } else
-                return 0;
+        might_sleep();
+        if (likely(!freezing(current)))
+                return false;
+        return __refrigerator();
 }
 
 extern bool freeze_task(struct task_struct *p, bool sig_only);
@@ -181,12 +180,12 @@ static inline void set_freeze_flag(struct task_struct *p) {}
 static inline void clear_freeze_flag(struct task_struct *p) {}
 static inline int thaw_process(struct task_struct *p) { return 1; }
 
-static inline void refrigerator(void) {}
+static inline bool __refrigerator(void) { return false; }
 static inline int freeze_processes(void) { return -ENOSYS; }
 static inline int freeze_kernel_threads(void) { return -ENOSYS; }
 static inline void thaw_processes(void) {}
 
-static inline int try_to_freeze(void) { return 0; }
+static inline bool try_to_freeze(void) { return false; }
 
 static inline void freezer_do_not_count(void) {}
 static inline void freezer_count(void) {}