sh: Proper __put_user_asm() size mismatch fix.
authorOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Tue, 29 Jul 2008 00:16:33 +0000 (09:16 +0900)
committerPaul Mundt <lethal@linux-sh.org>
Tue, 29 Jul 2008 00:16:33 +0000 (09:16 +0900)
This fixes up the workaround in 2b4b2bb42137c779ef0084de5df66ff21b4cd86e
and cleans up __put_user_asm() to get the sizing right from the onset.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
arch/sh/include/asm/uaccess.h
arch/sh/include/asm/uaccess_32.h

index 45c2c9b..075848f 100644 (file)
@@ -77,8 +77,9 @@ struct __large_struct { unsigned long buf[100]; };
 ({                                                             \
        long __pu_err;                                          \
        __typeof__(*(ptr)) __user *__pu_addr = (ptr);           \
+       __typeof__(*(ptr)) __pu_val = x;                        \
        __chk_user_ptr(ptr);                                    \
-       __put_user_size((x), __pu_addr, (size), __pu_err);      \
+       __put_user_size(__pu_val, __pu_addr, (size), __pu_err); \
        __pu_err;                                               \
 })
 
@@ -86,8 +87,9 @@ struct __large_struct { unsigned long buf[100]; };
 ({                                                             \
        long __pu_err = -EFAULT;                                \
        __typeof__(*(ptr)) __user *__pu_addr = (ptr);           \
+       __typeof__(*(ptr)) __pu_val = x;                        \
        if (likely(access_ok(VERIFY_WRITE, __pu_addr, size)))   \
-               __put_user_size((x), __pu_addr, (size),         \
+               __put_user_size(__pu_val, __pu_addr, (size),    \
                                __pu_err);                      \
        __pu_err;                                               \
 })
index 892fd6d..ae0d24f 100644 (file)
@@ -76,8 +76,7 @@ do {                                                  \
                __put_user_asm(x, ptr, retval, "w");    \
                break;                                  \
        case 4:                                         \
-               __put_user_asm((u32)x, ptr,             \
-                              retval, "l");            \
+               __put_user_asm(x, ptr, retval, "l");    \
                break;                                  \
        case 8:                                         \
                __put_user_u64(x, ptr, retval);         \