add CONFIG_ENABLE_MUST_CHECK

[firefly-linux-kernel-4.4.55.git] / include / linux / compiler.h

diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index f23d3c6fc2c06ea9766ec18a8580f1de5234975e..060b96112ec66fcfebcd6e8f5ea4c86f4bec5dde 100644 (file)
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -78,6 +78,7 @@ extern void __chk_io_ptr(void __iomem *);
 
 #endif /* __ASSEMBLY__ */
 
+#ifdef __KERNEL__
 /*
  * Allow us to mark functions as 'deprecated' and have gcc emit a nice
  * warning for each use, in hopes of speeding the functions removal.
@@ -98,6 +99,11 @@ extern void __chk_io_ptr(void __iomem *);
 #define __must_check
 #endif
 
+#ifndef CONFIG_ENABLE_MUST_CHECK
+#undef __must_check
+#define __must_check
+#endif
+
 /*
  * Allow us to avoid 'defined but not used' warnings on functions and data,
  * as well as force them to be emitted to the assembly file.
@@ -127,6 +133,16 @@ extern void __chk_io_ptr(void __iomem *);
 # define __attribute_pure__    /* unimplemented */
 #endif
 
+#ifndef noinline
+#define noinline
+#endif
+
+#ifndef __always_inline
+#define __always_inline inline
+#endif
+
+#endif /* __KERNEL__ */
+
 /*
  * From the GCC manual:
  *
@@ -145,12 +161,4 @@ extern void __chk_io_ptr(void __iomem *);
 # define __attribute_const__   /* unimplemented */
 #endif
 
-#ifndef noinline
-#define noinline
-#endif
-
-#ifndef __always_inline
-#define __always_inline inline
-#endif
-
 #endif /* __LINUX_COMPILER_H */