3 files changed, 8 insertions, 46 deletions
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index 91784841e407..dfb0ec666c94 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -162,46 +162,6 @@ extern void warn_slowpath_null(const char *file, const int line);
 	unlikely(__ret_warn_once);				\
 })
 
-#ifdef CONFIG_PRINTK
-
-#define WARN_ON_RATELIMIT(condition, state)			\
-		WARN_ON((condition) && __ratelimit(state))
-
-#define __WARN_RATELIMIT(condition, state, format...)		\
-({								\
-	int rtn = 0;						\
-	if (unlikely(__ratelimit(state)))			\
-		rtn = WARN(condition, format);			\
-	rtn;							\
-})
-
-#define WARN_RATELIMIT(condition, format...)			\
-({								\
-	static DEFINE_RATELIMIT_STATE(_rs,			\
-				      DEFAULT_RATELIMIT_INTERVAL,	\
-				      DEFAULT_RATELIMIT_BURST);	\
-	__WARN_RATELIMIT(condition, &_rs, format);		\
-})
-
-#else
-
-#define WARN_ON_RATELIMIT(condition, state)			\
-	WARN_ON(condition)
-
-#define __WARN_RATELIMIT(condition, state, format...)		\
-({								\
-	int rtn = WARN(condition, format);			\
-	rtn;							\
-})
-
-#define WARN_RATELIMIT(condition, format...)			\
-({								\
-	int rtn = WARN(condition, format);			\
-	rtn;							\
-})
-
-#endif
-
 /*
  * WARN_ON_SMP() is for cases that the warning is either
  * meaningless for !SMP or may even cause failures.
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index ff5c66080c8c..fcdcb5d5c995 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -35,9 +35,9 @@
  * platform data and other tables.
  */
 
-static inline int gpio_is_valid(int number)
+static inline bool gpio_is_valid(int number)
 {
-	return ((unsigned)number) < ARCH_NR_GPIOS;
+	return number >= 0 && number < ARCH_NR_GPIOS;
 }
 
 struct device;
@@ -193,8 +193,8 @@ struct gpio {
 };
 
 extern int gpio_request_one(unsigned gpio, unsigned long flags, const char *label);
-extern int gpio_request_array(struct gpio *array, size_t num);
-extern void gpio_free_array(struct gpio *array, size_t num);
+extern int gpio_request_array(const struct gpio *array, size_t num);
+extern void gpio_free_array(const struct gpio *array, size_t num);
 
 #ifdef CONFIG_GPIO_SYSFS
 
@@ -212,7 +212,7 @@ extern void gpio_unexport(unsigned gpio);
 
 #else	/* !CONFIG_GPIOLIB */
 
-static inline int gpio_is_valid(int number)
+static inline bool gpio_is_valid(int number)
 {
 	/* only non-negative numbers are valid */
 	return number >= 0;
diff --git a/include/asm-generic/unistd.h b/include/asm-generic/unistd.h
index 33d524704883..ae90e0f63995 100644
--- a/include/asm-generic/unistd.h
+++ b/include/asm-generic/unistd.h
@@ -681,9 +681,11 @@ __SC_COMP(__NR_open_by_handle_at, sys_open_by_handle_at, \
 __SC_COMP(__NR_clock_adjtime, sys_clock_adjtime, compat_sys_clock_adjtime)
 #define __NR_syncfs 267
 __SYSCALL(__NR_syncfs, sys_syncfs)
+#define __NR_setns 268
+__SYSCALL(__NR_setns, sys_setns)
 
 #undef __NR_syscalls
-#define __NR_syscalls 268
+#define __NR_syscalls 269
 
 /*
  * All syscalls below here should go away really,