include/asm-x86/uaccess_64.h: checkpatch cleanups - formatting only

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 227 insertions, 149 deletions

diff --git a/include/asm-x86/uaccess_64.h b/include/asm-x86/uaccess_64.h
index b87eb4b..b8a2f43 100644
--- a/include/asm-x86/uaccess_64.h
+++ b/include/asm-x86/uaccess_64.h
@@ -29,23 +29,27 @@
 #define get_fs()	(current_thread_info()->addr_limit)
 #define set_fs(x)	(current_thread_info()->addr_limit = (x))
 
-#define segment_eq(a,b)	((a).seg == (b).seg)
+#define segment_eq(a, b)	((a).seg == (b).seg)
 
-#define __addr_ok(addr) (!((unsigned long)(addr) & (current_thread_info()->addr_limit.seg)))
+#define __addr_ok(addr) (!((unsigned long)(addr) &			\
+			   (current_thread_info()->addr_limit.seg)))
 
 /*
  * Uhhuh, this needs 65-bit arithmetic. We have a carry..
  */
-#define __range_not_ok(addr,size) ({ \
-	unsigned long flag,roksum; \
-	__chk_user_ptr(addr); \
-	asm("# range_ok\n\r" \
-		"addq %3,%1 ; sbbq %0,%0 ; cmpq %1,%4 ; sbbq $0,%0"  \
-		:"=&r" (flag), "=r" (roksum) \
-		:"1" (addr),"g" ((long)(size)),"g" (current_thread_info()->addr_limit.seg)); \
-	flag; })
+#define __range_not_ok(addr, size)					\
+({									\
+	unsigned long flag, roksum;					\
+	__chk_user_ptr(addr);						\
+	asm("# range_ok\n\r"						\
+	    "addq %3,%1 ; sbbq %0,%0 ; cmpq %1,%4 ; sbbq $0,%0"		\
+	    : "=&r" (flag), "=r" (roksum)				\
+	    : "1" (addr), "g" ((long)(size)),				\
+	      "g" (current_thread_info()->addr_limit.seg));		\
+	flag;								\
+})
 
-#define access_ok(type, addr, size) (__range_not_ok(addr,size) == 0)
+#define access_ok(type, addr, size) (__range_not_ok(addr, size) == 0)
 
 /*
  * The exception table consists of pairs of addresses: the first is the
@@ -60,8 +64,7 @@
  * on our cache or tlb entries.
  */
 
-struct exception_table_entry
-{
+struct exception_table_entry {
 	unsigned long insn, fixup;
 };
 
@@ -84,23 +87,36 @@ extern int fixup_exception(struct pt_regs *regs);
  * accesses to the same area of user memory).
  */
 
-#define __get_user_x(size,ret,x,ptr) \
-	asm volatile("call __get_user_" #size \
-		:"=a" (ret),"=d" (x) \
-		:"c" (ptr) \
-		:"r8")
+#define __get_user_x(size, ret, x, ptr)		      \
+	asm volatile("call __get_user_" #size	      \
+		     : "=a" (ret),"=d" (x)	      \
+		     : "c" (ptr)		      \
+		     : "r8")
+
+/* Careful: we have to cast the result to the type of the pointer
+ * for sign reasons */
 
-/* Careful: we have to cast the result to the type of the pointer for sign reasons */
-#define get_user(x,ptr)							\
-({	unsigned long __val_gu;						\
-	int __ret_gu; 							\
+#define get_user(x, ptr)						\
+({									\
+	unsigned long __val_gu;						\
+	int __ret_gu;							\
 	__chk_user_ptr(ptr);						\
-	switch(sizeof (*(ptr))) {					\
-	case 1:  __get_user_x(1,__ret_gu,__val_gu,ptr); break;		\
-	case 2:  __get_user_x(2,__ret_gu,__val_gu,ptr); break;		\
-	case 4:  __get_user_x(4,__ret_gu,__val_gu,ptr); break;		\
-	case 8:  __get_user_x(8,__ret_gu,__val_gu,ptr); break;		\
-	default: __get_user_bad(); break;				\
+	switch (sizeof(*(ptr))) {					\
+	case 1:								\
+		__get_user_x(1, __ret_gu, __val_gu, ptr);		\
+		break;							\
+	case 2:								\
+		__get_user_x(2, __ret_gu, __val_gu, ptr);		\
+		break;							\
+	case 4:								\
+		__get_user_x(4, __ret_gu, __val_gu, ptr);		\
+		break;							\
+	case 8:								\
+		__get_user_x(8, __ret_gu, __val_gu, ptr);		\
+		break;							\
+	default:							\
+		__get_user_bad();					\
+		break;							\
 	}								\
 	(x) = (__force typeof(*(ptr)))__val_gu;				\
 	__ret_gu;							\
@@ -112,55 +128,73 @@ extern void __put_user_4(void);
 extern void __put_user_8(void);
 extern void __put_user_bad(void);
 
-#define __put_user_x(size,ret,x,ptr)					\
-	asm volatile("call __put_user_" #size			\
-		:"=a" (ret)						\
-		:"c" (ptr),"d" (x)					\
-		:"r8")
+#define __put_user_x(size, ret, x, ptr)					\
+	asm volatile("call __put_user_" #size				\
+		     :"=a" (ret)					\
+		     :"c" (ptr),"d" (x)					\
+		     :"r8")
 
-#define put_user(x,ptr)							\
-  __put_user_check((__typeof__(*(ptr)))(x),(ptr),sizeof(*(ptr)))
+#define put_user(x, ptr)						\
+	__put_user_check((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr)))
 
-#define __get_user(x,ptr) \
-  __get_user_nocheck((x),(ptr),sizeof(*(ptr)))
-#define __put_user(x,ptr) \
-  __put_user_nocheck((__typeof__(*(ptr)))(x),(ptr),sizeof(*(ptr)))
+#define __get_user(x, ptr)						\
+	__get_user_nocheck((x), (ptr), sizeof(*(ptr)))
+#define __put_user(x, ptr)						\
+	__put_user_nocheck((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr)))
 
 #define __get_user_unaligned __get_user
 #define __put_user_unaligned __put_user
 
-#define __put_user_nocheck(x,ptr,size)			\
+#define __put_user_nocheck(x, ptr, size)		\
 ({							\
 	int __pu_err;					\
-	__put_user_size((x),(ptr),(size),__pu_err);	\
+	__put_user_size((x), (ptr), (size), __pu_err);	\
 	__pu_err;					\
 })
 
 
-#define __put_user_check(x,ptr,size)			\
-({							\
-	int __pu_err;					\
-	typeof(*(ptr)) __user *__pu_addr = (ptr);	\
-	switch (size) { 				\
-	case 1: __put_user_x(1,__pu_err,x,__pu_addr); break;	\
-	case 2: __put_user_x(2,__pu_err,x,__pu_addr); break;	\
-	case 4: __put_user_x(4,__pu_err,x,__pu_addr); break;	\
-	case 8: __put_user_x(8,__pu_err,x,__pu_addr); break;	\
-	default: __put_user_bad();			\
-	}						\
-	__pu_err;					\
+#define __put_user_check(x, ptr, size)				\
+({								\
+	int __pu_err;						\
+	typeof(*(ptr)) __user *__pu_addr = (ptr);		\
+	switch (size) {						\
+	case 1:							\
+		__put_user_x(1, __pu_err, x, __pu_addr);	\
+		break;						\
+	case 2:							\
+		__put_user_x(2, __pu_err, x, __pu_addr);	\
+		break;						\
+	case 4:							\
+		__put_user_x(4, __pu_err, x, __pu_addr);	\
+		break;						\
+	case 8:							\
+		__put_user_x(8, __pu_err, x, __pu_addr);	\
+		break;						\
+	default:						\
+		__put_user_bad();				\
+	}							\
+	__pu_err;						\
 })
 
-#define __put_user_size(x,ptr,size,retval)				\
+#define __put_user_size(x, ptr, size, retval)				\
 do {									\
 	retval = 0;							\
 	__chk_user_ptr(ptr);						\
 	switch (size) {							\
-	  case 1: __put_user_asm(x,ptr,retval,"b","b","iq",-EFAULT); break;\
-	  case 2: __put_user_asm(x,ptr,retval,"w","w","ir",-EFAULT); break;\
-	  case 4: __put_user_asm(x,ptr,retval,"l","k","ir",-EFAULT); break;\
-	  case 8: __put_user_asm(x,ptr,retval,"q","","Zr",-EFAULT); break;\
-	  default: __put_user_bad();					\
+	case 1:								\
+		__put_user_asm(x, ptr, retval, "b", "b", "iq", -EFAULT);\
+		break;							\
+	case 2:								\
+		__put_user_asm(x, ptr, retval, "w", "w", "ir", -EFAULT);\
+		break;							\
+	case 4:								\
+		__put_user_asm(x, ptr, retval, "l", "k", "ir", -EFAULT);\
+		break;							\
+	case 8:								\
+		__put_user_asm(x, ptr, retval, "q", "", "Zr", -EFAULT);	\
+		break;							\
+	default:							\
+		__put_user_bad();					\
 	}								\
 } while (0)
 
@@ -174,23 +208,22 @@ struct __large_struct { unsigned long buf[100]; };
  * aliasing issues.
  */
 #define __put_user_asm(x, addr, err, itype, rtype, ltype, errno)	\
-	asm volatile(					\
-		"1:	mov"itype" %"rtype"1,%2\n"		\
-		"2:\n"						\
-		".section .fixup,\"ax\"\n"			\
-		"3:	mov %3,%0\n"				\
-		"	jmp 2b\n"				\
-		".previous\n"					\
-		_ASM_EXTABLE(1b,3b)				\
-		: "=r"(err)					\
-		: ltype (x), "m"(__m(addr)), "i"(errno), "0"(err))
-
-
-#define __get_user_nocheck(x,ptr,size)				\
+	asm volatile("1:	mov"itype" %"rtype"1,%2\n"		\
+		     "2:\n"						\
+		     ".section .fixup, \"ax\"\n"			\
+		     "3:	mov %3,%0\n"				\
+		     "	jmp 2b\n"					\
+		     ".previous\n"					\
+		     _ASM_EXTABLE(1b, 3b)				\
+		     : "=r"(err)					\
+		     : ltype (x), "m" (__m(addr)), "i" (errno), "0" (err))
+
+
+#define __get_user_nocheck(x, ptr, size)			\
 ({								\
 	int __gu_err;						\
 	unsigned long __gu_val;					\
-	__get_user_size(__gu_val,(ptr),(size),__gu_err);	\
+	__get_user_size(__gu_val, (ptr), (size), __gu_err);	\
 	(x) = (__force typeof(*(ptr)))__gu_val;			\
 	__gu_err;						\
 })
@@ -201,31 +234,39 @@ extern int __get_user_4(void);
 extern int __get_user_8(void);
 extern int __get_user_bad(void);
 
-#define __get_user_size(x,ptr,size,retval)				\
+#define __get_user_size(x, ptr, size, retval)				\
 do {									\
 	retval = 0;							\
 	__chk_user_ptr(ptr);						\
 	switch (size) {							\
-	  case 1: __get_user_asm(x,ptr,retval,"b","b","=q",-EFAULT); break;\
-	  case 2: __get_user_asm(x,ptr,retval,"w","w","=r",-EFAULT); break;\
-	  case 4: __get_user_asm(x,ptr,retval,"l","k","=r",-EFAULT); break;\
-	  case 8: __get_user_asm(x,ptr,retval,"q","","=r",-EFAULT); break;\
-	  default: (x) = __get_user_bad();				\
+	case 1:								\
+		__get_user_asm(x, ptr, retval, "b", "b", "=q", -EFAULT);\
+		break;							\
+	case 2:								\
+		__get_user_asm(x, ptr, retval, "w", "w", "=r", -EFAULT);\
+		break;							\
+	case 4:								\
+		__get_user_asm(x, ptr, retval, "l", "k", "=r", -EFAULT);\
+		break;							\
+	case 8:								\
+		__get_user_asm(x, ptr, retval, "q", "", "=r", -EFAULT);	\
+		break;							\
+	default:							\
+		(x) = __get_user_bad();					\
 	}								\
 } while (0)
 
 #define __get_user_asm(x, addr, err, itype, rtype, ltype, errno)	\
-	asm volatile(					\
-		"1:	mov"itype" %2,%"rtype"1\n"		\
-		"2:\n"						\
-		".section .fixup,\"ax\"\n"			\
-		"3:	mov %3,%0\n"				\
-		"	xor"itype" %"rtype"1,%"rtype"1\n"	\
-		"	jmp 2b\n"				\
-		".previous\n"					\
-		_ASM_EXTABLE(1b,3b)				\
-		: "=r"(err), ltype (x)				\
-		: "m"(__m(addr)), "i"(errno), "0"(err))
+	asm volatile("1:	mov"itype" %2,%"rtype"1\n"		\
+		     "2:\n"						\
+		     ".section .fixup, \"ax\"\n"			\
+		     "3:	mov %3,%0\n"				\
+		     "	xor"itype" %"rtype"1,%"rtype"1\n"		\
+		     "	jmp 2b\n"					\
+		     ".previous\n"					\
+		     _ASM_EXTABLE(1b, 3b)				\
+		     : "=r" (err), ltype (x)				\
+		     : "m" (__m(addr)), "i"(errno), "0"(err))
 
 /*
  * Copy To/From Userspace
@@ -244,110 +285,142 @@ copy_in_user(void __user *to, const void __user *from, unsigned len);
 
 static __always_inline __must_check
 int __copy_from_user(void *dst, const void __user *src, unsigned size)
-{ 
+{
 	int ret = 0;
 	if (!__builtin_constant_p(size))
-		return copy_user_generic(dst,(__force void *)src,size);
-	switch (size) { 
-	case 1:__get_user_asm(*(u8*)dst,(u8 __user *)src,ret,"b","b","=q",1); 
+		return copy_user_generic(dst, (__force void *)src, size);
+	switch (size) {
+	case 1:__get_user_asm(*(u8 *)dst, (u8 __user *)src,
+			      ret, "b", "b", "=q", 1);
 		return ret;
-	case 2:__get_user_asm(*(u16*)dst,(u16 __user *)src,ret,"w","w","=r",2);
+	case 2:__get_user_asm(*(u16 *)dst, (u16 __user *)src,
+			      ret, "w", "w", "=r", 2);
 		return ret;
-	case 4:__get_user_asm(*(u32*)dst,(u32 __user *)src,ret,"l","k","=r",4);
+	case 4:__get_user_asm(*(u32 *)dst, (u32 __user *)src,
+			      ret, "l", "k", "=r", 4);
+		return ret;
+	case 8:__get_user_asm(*(u64 *)dst, (u64 __user *)src,
+			      ret, "q", "", "=r", 8);
 		return ret;
-	case 8:__get_user_asm(*(u64*)dst,(u64 __user *)src,ret,"q","","=r",8);
-		return ret; 
 	case 10:
-	       	__get_user_asm(*(u64*)dst,(u64 __user *)src,ret,"q","","=r",16);
-		if (unlikely(ret)) return ret;
-		__get_user_asm(*(u16*)(8+(char*)dst),(u16 __user *)(8+(char __user *)src),ret,"w","w","=r",2);
-		return ret; 
+		__get_user_asm(*(u64 *)dst, (u64 __user *)src,
+			       ret, "q", "", "=r", 16);
+		if (unlikely(ret))
+			return ret;
+		__get_user_asm(*(u16 *)(8 + (char *)dst),
+			       (u16 __user *)(8 + (char __user *)src),
+			       ret, "w", "w", "=r", 2);
+		return ret;
 	case 16:
-		__get_user_asm(*(u64*)dst,(u64 __user *)src,ret,"q","","=r",16);
-		if (unlikely(ret)) return ret;
-		__get_user_asm(*(u64*)(8+(char*)dst),(u64 __user *)(8+(char __user *)src),ret,"q","","=r",8);
-		return ret; 
+		__get_user_asm(*(u64 *)dst, (u64 __user *)src,
+			       ret, "q", "", "=r", 16);
+		if (unlikely(ret))
+			return ret;
+		__get_user_asm(*(u64 *)(8 + (char *)dst),
+			       (u64 __user *)(8 + (char __user *)src),
+			       ret, "q", "", "=r", 8);
+		return ret;
 	default:
-		return copy_user_generic(dst,(__force void *)src,size); 
+		return copy_user_generic(dst, (__force void *)src, size);
 	}
-}	
+}
 
 static __always_inline __must_check
 int __copy_to_user(void __user *dst, const void *src, unsigned size)
-{ 
+{
 	int ret = 0;
 	if (!__builtin_constant_p(size))
-		return copy_user_generic((__force void *)dst,src,size);
-	switch (size) { 
-	case 1:__put_user_asm(*(u8*)src,(u8 __user *)dst,ret,"b","b","iq",1); 
+		return copy_user_generic((__force void *)dst, src, size);
+	switch (size) {
+	case 1:__put_user_asm(*(u8 *)src, (u8 __user *)dst,
+			      ret, "b", "b", "iq", 1);
 		return ret;
-	case 2:__put_user_asm(*(u16*)src,(u16 __user *)dst,ret,"w","w","ir",2);
+	case 2:__put_user_asm(*(u16 *)src, (u16 __user *)dst,
+			      ret, "w", "w", "ir", 2);
 		return ret;
-	case 4:__put_user_asm(*(u32*)src,(u32 __user *)dst,ret,"l","k","ir",4);
+	case 4:__put_user_asm(*(u32 *)src, (u32 __user *)dst,
+			      ret, "l", "k", "ir", 4);
+		return ret;
+	case 8:__put_user_asm(*(u64 *)src, (u64 __user *)dst,
+			      ret, "q", "", "ir", 8);
 		return ret;
-	case 8:__put_user_asm(*(u64*)src,(u64 __user *)dst,ret,"q","","ir",8);
-		return ret; 
 	case 10:
-		__put_user_asm(*(u64*)src,(u64 __user *)dst,ret,"q","","ir",10);
-		if (unlikely(ret)) return ret;
+		__put_user_asm(*(u64 *)src, (u64 __user *)dst,
+			       ret, "q", "", "ir", 10);
+		if (unlikely(ret))
+			return ret;
 		asm("":::"memory");
-		__put_user_asm(4[(u16*)src],4+(u16 __user *)dst,ret,"w","w","ir",2);
-		return ret; 
+		__put_user_asm(4[(u16 *)src], 4 + (u16 __user *)dst,
+			       ret, "w", "w", "ir", 2);
+		return ret;
 	case 16:
-		__put_user_asm(*(u64*)src,(u64 __user *)dst,ret,"q","","ir",16);
-		if (unlikely(ret)) return ret;
+		__put_user_asm(*(u64 *)src, (u64 __user *)dst,
+			       ret, "q", "", "ir", 16);
+		if (unlikely(ret))
+			return ret;
 		asm("":::"memory");
-		__put_user_asm(1[(u64*)src],1+(u64 __user *)dst,ret,"q","","ir",8);
-		return ret; 
+		__put_user_asm(1[(u64 *)src], 1 + (u64 __user *)dst,
+			       ret, "q", "", "ir", 8);
+		return ret;
 	default:
-		return copy_user_generic((__force void *)dst,src,size); 
+		return copy_user_generic((__force void *)dst, src, size);
 	}
-}	
+}
 
 static __always_inline __must_check
 int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
-{ 
+{
 	int ret = 0;
 	if (!__builtin_constant_p(size))
-		return copy_user_generic((__force void *)dst,(__force void *)src,size);
-	switch (size) { 
-	case 1: { 
+		return copy_user_generic((__force void *)dst,
+					 (__force void *)src, size);
+	switch (size) {
+	case 1: {
 		u8 tmp;
-		__get_user_asm(tmp,(u8 __user *)src,ret,"b","b","=q",1); 
+		__get_user_asm(tmp, (u8 __user *)src,
+			       ret, "b", "b", "=q", 1);
 		if (likely(!ret))
-			__put_user_asm(tmp,(u8 __user *)dst,ret,"b","b","iq",1); 
+			__put_user_asm(tmp, (u8 __user *)dst,
+				       ret, "b", "b", "iq", 1);
 		return ret;
 	}
-	case 2: { 
+	case 2: {
 		u16 tmp;
-		__get_user_asm(tmp,(u16 __user *)src,ret,"w","w","=r",2); 
+		__get_user_asm(tmp, (u16 __user *)src,
+			       ret, "w", "w", "=r", 2);
 		if (likely(!ret))
-			__put_user_asm(tmp,(u16 __user *)dst,ret,"w","w","ir",2); 
+			__put_user_asm(tmp, (u16 __user *)dst,
+				       ret, "w", "w", "ir", 2);
 		return ret;
 	}
 
-	case 4: { 
+	case 4: {
 		u32 tmp;
-		__get_user_asm(tmp,(u32 __user *)src,ret,"l","k","=r",4); 
+		__get_user_asm(tmp, (u32 __user *)src,
+			       ret, "l", "k", "=r", 4);
 		if (likely(!ret))
-			__put_user_asm(tmp,(u32 __user *)dst,ret,"l","k","ir",4); 
+			__put_user_asm(tmp, (u32 __user *)dst,
+				       ret, "l", "k", "ir", 4);
 		return ret;
 	}
-	case 8: { 
+	case 8: {
 		u64 tmp;
-		__get_user_asm(tmp,(u64 __user *)src,ret,"q","","=r",8); 
+		__get_user_asm(tmp, (u64 __user *)src,
+			       ret, "q", "", "=r", 8);
 		if (likely(!ret))
-			__put_user_asm(tmp,(u64 __user *)dst,ret,"q","","ir",8); 
+			__put_user_asm(tmp, (u64 __user *)dst,
+				       ret, "q", "", "ir", 8);
 		return ret;
 	}
 	default:
-		return copy_user_generic((__force void *)dst,(__force void *)src,size); 
+		return copy_user_generic((__force void *)dst,
+					 (__force void *)src, size);
 	}
-}	
+}
 
-__must_check long 
+__must_check long
 strncpy_from_user(char *dst, const char __user *src, long count);
-__must_check long 
+__must_check long
 __strncpy_from_user(char *dst, const char __user *src, long count);
 __must_check long strnlen_user(const char __user *str, long n);
 __must_check long __strnlen_user(const char __user *str, long n);
@@ -355,7 +428,8 @@ __must_check long strlen_user(const char __user *str);
 __must_check unsigned long clear_user(void __user *mem, unsigned long len);
 __must_check unsigned long __clear_user(void __user *mem, unsigned long len);
 
-__must_check long __copy_from_user_inatomic(void *dst, const void __user *src, unsigned size);
+__must_check long __copy_from_user_inatomic(void *dst, const void __user *src,
+					    unsigned size);
 
 static __must_check __always_inline int
 __copy_to_user_inatomic(void __user *dst, const void *src, unsigned size)
@@ -364,15 +438,19 @@ __copy_to_user_inatomic(void __user *dst, const void *src, unsigned size)
 }
 
 #define ARCH_HAS_NOCACHE_UACCESS 1
-extern long __copy_user_nocache(void *dst, const void __user *src, unsigned size, int zerorest);
+extern long __copy_user_nocache(void *dst, const void __user *src,
+				unsigned size, int zerorest);
 
-static inline int __copy_from_user_nocache(void *dst, const void __user *src, unsigned size)
+static inline int __copy_from_user_nocache(void *dst, const void __user *src,
+					   unsigned size)
 {
 	might_sleep();
 	return __copy_user_nocache(dst, src, size, 1);
 }
 
-static inline int __copy_from_user_inatomic_nocache(void *dst, const void __user *src, unsigned size)
+static inline int __copy_from_user_inatomic_nocache(void *dst,
+						    const void __user *src,
+						    unsigned size)
 {
 	return __copy_user_nocache(dst, src, size, 0);
 }