forked from Minki/linux
put the remnants of ..._user_ret() to rest
they hadn't been used in last 15 years... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
parent
bb646cdb12
commit
f5e6634ec0
@ -168,12 +168,6 @@ static inline int bad_user_access_length(void)
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#define __copy_to_user_inatomic __copy_to_user
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#define __copy_from_user_inatomic __copy_from_user
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#define copy_to_user_ret(to, from, n, retval) ({ if (copy_to_user(to, from, n))\
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return retval; })
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#define copy_from_user_ret(to, from, n, retval) ({ if (copy_from_user(to, from, n))\
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return retval; })
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static inline unsigned long __must_check
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copy_from_user(void *to, const void __user *from, unsigned long n)
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{
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@ -135,10 +135,6 @@ extern int __get_user_bad(void);
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#define __copy_to_user_inatomic __copy_to_user
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#define __copy_from_user_inatomic __copy_from_user
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#define copy_to_user_ret(to,from,n,retval) ({ if (copy_to_user(to,from,n)) return retval; })
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#define copy_from_user_ret(to,from,n,retval) ({ if (copy_from_user(to,from,n)) return retval; })
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/*
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* Copy a null terminated string from userspace.
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*/
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@ -110,21 +110,6 @@ extern int fixup_exception(struct pt_regs *regs);
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#define __put_user(x, ptr) __put_user_nocheck((x), (ptr), sizeof(*(ptr)))
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#define __get_user(x, ptr) __get_user_nocheck((x), (ptr), sizeof(*(ptr)))
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/*
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* The "xxx_ret" versions return constant specified in third argument, if
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* something bad happens. These macros can be optimized for the
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* case of just returning from the function xxx_ret is used.
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*/
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#define put_user_ret(x, ptr, ret) \
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({ if (put_user((x), (ptr))) return (ret); })
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#define get_user_ret(x, ptr, ret) \
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({ if (get_user((x), (ptr))) return (ret); })
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#define __put_user_ret(x, ptr, ret) \
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({ if (__put_user((x), (ptr))) return (ret); })
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#define __get_user_ret(x, ptr, ret) \
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({ if (__get_user((x), (ptr))) return (ret); })
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struct __large_struct { unsigned long buf[100]; };
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#define __m(x) (*(struct __large_struct *)(x))
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@ -205,31 +205,6 @@ int __put_user_bad(void);
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__gu_ret; \
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})
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#define __get_user_check_ret(x, addr, size, type, retval) ({ \
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register unsigned long __gu_val __asm__ ("l1"); \
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if (__access_ok(addr, size)) { \
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switch (size) { \
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case 1: \
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__get_user_asm_ret(__gu_val, ub, addr, retval); \
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break; \
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case 2: \
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__get_user_asm_ret(__gu_val, uh, addr, retval); \
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break; \
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case 4: \
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__get_user_asm_ret(__gu_val, , addr, retval); \
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break; \
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case 8: \
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__get_user_asm_ret(__gu_val, d, addr, retval); \
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break; \
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default: \
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if (__get_user_bad()) \
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return retval; \
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} \
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x = (__force type) __gu_val; \
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} else \
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return retval; \
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})
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#define __get_user_nocheck(x, addr, size, type) ({ \
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register int __gu_ret; \
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register unsigned long __gu_val; \
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@ -247,20 +222,6 @@ int __put_user_bad(void);
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__gu_ret; \
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})
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#define __get_user_nocheck_ret(x, addr, size, type, retval) ({ \
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register unsigned long __gu_val __asm__ ("l1"); \
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switch (size) { \
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case 1: __get_user_asm_ret(__gu_val, ub, addr, retval); break; \
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case 2: __get_user_asm_ret(__gu_val, uh, addr, retval); break; \
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case 4: __get_user_asm_ret(__gu_val, , addr, retval); break; \
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case 8: __get_user_asm_ret(__gu_val, d, addr, retval); break; \
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default: \
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if (__get_user_bad()) \
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return retval; \
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} \
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x = (__force type) __gu_val; \
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})
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#define __get_user_asm(x, size, addr, ret) \
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__asm__ __volatile__( \
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"/* Get user asm, inline. */\n" \
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@ -281,32 +242,6 @@ __asm__ __volatile__( \
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: "=&r" (ret), "=&r" (x) : "m" (*__m(addr)), \
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"i" (-EFAULT))
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#define __get_user_asm_ret(x, size, addr, retval) \
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if (__builtin_constant_p(retval) && retval == -EFAULT) \
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__asm__ __volatile__( \
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"/* Get user asm ret, inline. */\n" \
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"1:\t" "ld"#size " %1, %0\n\n\t" \
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".section __ex_table,#alloc\n\t" \
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".align 4\n\t" \
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".word 1b,__ret_efault\n\n\t" \
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".previous\n\t" \
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: "=&r" (x) : "m" (*__m(addr))); \
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else \
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__asm__ __volatile__( \
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"/* Get user asm ret, inline. */\n" \
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"1:\t" "ld"#size " %1, %0\n\n\t" \
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".section .fixup,#alloc,#execinstr\n\t" \
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".align 4\n" \
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"3:\n\t" \
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"ret\n\t" \
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" restore %%g0, %2, %%o0\n\n\t" \
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".previous\n\t" \
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".section __ex_table,#alloc\n\t" \
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".align 4\n\t" \
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".word 1b, 3b\n\n\t" \
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".previous\n\t" \
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: "=&r" (x) : "m" (*__m(addr)), "i" (retval))
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int __get_user_bad(void);
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unsigned long __copy_user(void __user *to, const void __user *from, unsigned long size);
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@ -179,20 +179,6 @@ int __put_user_bad(void);
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__gu_ret; \
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})
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#define __get_user_nocheck_ret(data, addr, size, type, retval) ({ \
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register unsigned long __gu_val __asm__ ("l1"); \
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switch (size) { \
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case 1: __get_user_asm_ret(__gu_val, ub, addr, retval); break; \
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case 2: __get_user_asm_ret(__gu_val, uh, addr, retval); break; \
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case 4: __get_user_asm_ret(__gu_val, uw, addr, retval); break; \
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case 8: __get_user_asm_ret(__gu_val, x, addr, retval); break; \
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default: \
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if (__get_user_bad()) \
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return retval; \
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} \
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data = (__force type) __gu_val; \
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})
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#define __get_user_asm(x, size, addr, ret) \
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__asm__ __volatile__( \
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"/* Get user asm, inline. */\n" \
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@ -214,32 +200,6 @@ __asm__ __volatile__( \
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: "=r" (ret), "=r" (x) : "r" (__m(addr)), \
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"i" (-EFAULT))
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#define __get_user_asm_ret(x, size, addr, retval) \
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if (__builtin_constant_p(retval) && retval == -EFAULT) \
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__asm__ __volatile__( \
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"/* Get user asm ret, inline. */\n" \
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"1:\t" "ld"#size "a [%1] %%asi, %0\n\n\t" \
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".section __ex_table,\"a\"\n\t" \
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".align 4\n\t" \
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".word 1b,__ret_efault\n\n\t" \
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".previous\n\t" \
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: "=r" (x) : "r" (__m(addr))); \
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else \
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__asm__ __volatile__( \
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"/* Get user asm ret, inline. */\n" \
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"1:\t" "ld"#size "a [%1] %%asi, %0\n\n\t" \
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".section .fixup,#alloc,#execinstr\n\t" \
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".align 4\n" \
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"3:\n\t" \
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"ret\n\t" \
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" restore %%g0, %2, %%o0\n\n\t" \
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".previous\n\t" \
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".section __ex_table,\"a\"\n\t" \
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".align 4\n\t" \
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".word 1b, 3b\n\n\t" \
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".previous\n\t" \
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: "=r" (x) : "r" (__m(addr)), "i" (retval))
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int __get_user_bad(void);
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unsigned long __must_check ___copy_from_user(void *to,
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