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| author | Michael S. Tsirkin <mst@redhat.com> | 2015-01-06 23:29:43 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2015-01-13 15:24:12 +0200 |
| commit | 4b636ba27008ce11631c89b4e0918800204575e0 (patch) | |
| tree | c76017636d7f3c51593aa7c297e9f391810ccdb4 /arch/sparc | |
| parent | 33a3dcc2289368c2fc022c3b0b9bc388c8aa5930 (diff) | |
| download | linux-4b636ba27008ce11631c89b4e0918800204575e0.tar.bz2 | |
sparc64: nocheck uaccess coding style tweaks
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>
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/include/asm/uaccess_64.h | 100 |
1 files changed, 37 insertions, 63 deletions
diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h index 12d95947636b..a35194b7dba0 100644 --- a/arch/sparc/include/asm/uaccess_64.h +++ b/arch/sparc/include/asm/uaccess_64.h @@ -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) \ |