sparc64: nocheck uaccess coding style tweaks
authorMichael S. Tsirkin <mst@redhat.com>
Tue, 6 Jan 2015 21:29:43 +0000 (23:29 +0200)
committerMichael S. Tsirkin <mst@redhat.com>
Tue, 13 Jan 2015 13:24:12 +0000 (15:24 +0200)
Sam Ravnborg suggested packing single-lines cases in switch statements
in nocheck uaccess macros makes for easier to read code.

Suggested-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
arch/sparc/include/asm/uaccess_64.h

index 12d9594..a35194b 100644 (file)
@@ -106,26 +106,16 @@ void __retl_efault(void);
 struct __large_struct { unsigned long buf[100]; };
 #define __m(x) ((struct __large_struct *)(x))
 
-#define __put_user_nocheck(data, addr, size) ({ \
-       register int __pu_ret; \
-       switch (size) { \
-       case 1: \
-               __put_user_asm(data, b, addr, __pu_ret); \
-               break; \
-       case 2: \
-               __put_user_asm(data, h, addr, __pu_ret); \
-               break; \
-       case 4: \
-               __put_user_asm(data, w, addr, __pu_ret); \
-               break; \
-       case 8: \
-               __put_user_asm(data, x, addr, __pu_ret); \
-               break; \
-       default: \
-               __pu_ret = __put_user_bad(); \
-               break; \
-       } \
-       __pu_ret; \
+#define __put_user_nocheck(data, addr, size) ({                        \
+       register int __pu_ret;                                  \
+       switch (size) {                                         \
+       case 1: __put_user_asm(data, b, addr, __pu_ret); break; \
+       case 2: __put_user_asm(data, h, addr, __pu_ret); break; \
+       case 4: __put_user_asm(data, w, addr, __pu_ret); break; \
+       case 8: __put_user_asm(data, x, addr, __pu_ret); break; \
+       default: __pu_ret = __put_user_bad(); break;            \
+       }                                                       \
+       __pu_ret;                                               \
 })
 
 #define __put_user_asm(x, size, addr, ret)                             \
@@ -150,51 +140,35 @@ __asm__ __volatile__(                                                     \
 
 int __put_user_bad(void);
 
-#define __get_user_nocheck(data, addr, size, type) ({ \
-       register int __gu_ret; \
-       register unsigned long __gu_val; \
-       switch (size) { \
-               case 1: \
-                       __get_user_asm(__gu_val, ub, addr, __gu_ret); \
-                       break; \
-               case 2: \
-                       __get_user_asm(__gu_val, uh, addr, __gu_ret); \
-                       break; \
-               case 4: \
-                       __get_user_asm(__gu_val, uw, addr, __gu_ret); \
-                       break; \
-               case 8: \
-                       __get_user_asm(__gu_val, x, addr, __gu_ret); \
-                       break; \
-               default: \
-                       __gu_val = 0; \
-                       __gu_ret = __get_user_bad(); \
-                       break; \
-       } \
-       data = (__force type) __gu_val; \
-        __gu_ret; \
+#define __get_user_nocheck(data, addr, size, type) ({                       \
+       register int __gu_ret;                                               \
+       register unsigned long __gu_val;                                     \
+       switch (size) {                                                      \
+               case 1: __get_user_asm(__gu_val, ub, addr, __gu_ret); break; \
+               case 2: __get_user_asm(__gu_val, uh, addr, __gu_ret); break; \
+               case 4: __get_user_asm(__gu_val, uw, addr, __gu_ret); break; \
+               case 8: __get_user_asm(__gu_val, x, addr, __gu_ret); break;  \
+               default:                                                     \
+                       __gu_val = 0;                                        \
+                       __gu_ret = __get_user_bad();                         \
+                       break;                                               \
+       }                                                                    \
+       data = (__force type) __gu_val;                                      \
+        __gu_ret;                                                           \
 })
 
-#define __get_user_nocheck_ret(data, addr, size, type, retval) ({ \
-       register unsigned long __gu_val __asm__ ("l1"); \
-       switch (size) { \
-       case 1: \
-               __get_user_asm_ret(__gu_val, ub, addr, retval); \
-               break; \
-       case 2: \
-               __get_user_asm_ret(__gu_val, uh, addr, retval); \
-               break; \
-       case 4: \
-               __get_user_asm_ret(__gu_val, uw, addr, retval); \
-               break; \
-       case 8: \
-               __get_user_asm_ret(__gu_val, x, addr, retval); \
-               break; \
-       default: \
-               if (__get_user_bad()) \
-                       return retval; \
-       } \
-       data = (__force type) __gu_val; \
+#define __get_user_nocheck_ret(data, addr, size, type, retval) ({      \
+       register unsigned long __gu_val __asm__ ("l1");                 \
+       switch (size) {                                                 \
+       case 1: __get_user_asm_ret(__gu_val, ub, addr, retval); break;  \
+       case 2: __get_user_asm_ret(__gu_val, uh, addr, retval); break;  \
+       case 4: __get_user_asm_ret(__gu_val, uw, addr, retval); break;  \
+       case 8: __get_user_asm_ret(__gu_val, x, addr, retval); break;   \
+       default:                                                        \
+               if (__get_user_bad())                                   \
+                       return retval;                                  \
+       }                                                               \
+       data = (__force type) __gu_val;                                 \
 })
 
 #define __get_user_asm(x, size, addr, ret)                             \