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authorAl Viro <viro@zeniv.linux.org.uk>2015-12-25 10:04:47 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2016-01-04 10:28:06 -0500
commitf5e6634ec04b6ed55be4e124277acde240323f2d (patch)
tree97d8a0c7cc499b3cb72f39eb4bc43a9e215a6d6c
parentbb646cdb12e75d82258c2f2e7746d5952d3e321a (diff)
downloadlinux-f5e6634ec04b6ed55be4e124277acde240323f2d.tar.gz
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>
-rw-r--r--arch/blackfin/include/asm/uaccess.h6
-rw-r--r--arch/m68k/include/asm/uaccess_no.h4
-rw-r--r--arch/mn10300/include/asm/uaccess.h15
-rw-r--r--arch/sparc/include/asm/uaccess_32.h65
-rw-r--r--arch/sparc/include/asm/uaccess_64.h40
5 files changed, 0 insertions, 130 deletions
diff --git a/arch/blackfin/include/asm/uaccess.h b/arch/blackfin/include/asm/uaccess.h
index 90612a7f2cf3..12f5d6851bbc 100644
--- a/arch/blackfin/include/asm/uaccess.h
+++ b/arch/blackfin/include/asm/uaccess.h
@@ -168,12 +168,6 @@ static inline int bad_user_access_length(void)
 #define __copy_to_user_inatomic __copy_to_user
 #define __copy_from_user_inatomic __copy_from_user
 
-#define copy_to_user_ret(to, from, n, retval) ({ if (copy_to_user(to, from, n))\
-				                 return retval; })
-
-#define copy_from_user_ret(to, from, n, retval) ({ if (copy_from_user(to, from, n))\
-                                                   return retval; })
-
 static inline unsigned long __must_check
 copy_from_user(void *to, const void __user *from, unsigned long n)
 {
diff --git a/arch/m68k/include/asm/uaccess_no.h b/arch/m68k/include/asm/uaccess_no.h
index 68bbe9b312f1..1bdf15263754 100644
--- a/arch/m68k/include/asm/uaccess_no.h
+++ b/arch/m68k/include/asm/uaccess_no.h
@@ -135,10 +135,6 @@ extern int __get_user_bad(void);
 #define __copy_to_user_inatomic __copy_to_user
 #define __copy_from_user_inatomic __copy_from_user
 
-#define copy_to_user_ret(to,from,n,retval) ({ if (copy_to_user(to,from,n)) return retval; })
-
-#define copy_from_user_ret(to,from,n,retval) ({ if (copy_from_user(to,from,n)) return retval; })
-
 /*
  * Copy a null terminated string from userspace.
  */
diff --git a/arch/mn10300/include/asm/uaccess.h b/arch/mn10300/include/asm/uaccess.h
index 537278746a15..20f7bf6de384 100644
--- a/arch/mn10300/include/asm/uaccess.h
+++ b/arch/mn10300/include/asm/uaccess.h
@@ -110,21 +110,6 @@ extern int fixup_exception(struct pt_regs *regs);
 #define __put_user(x, ptr) __put_user_nocheck((x), (ptr), sizeof(*(ptr)))
 #define __get_user(x, ptr) __get_user_nocheck((x), (ptr), sizeof(*(ptr)))
 
-/*
- * The "xxx_ret" versions return constant specified in third argument, if
- * something bad happens. These macros can be optimized for the
- * case of just returning from the function xxx_ret is used.
- */
-
-#define put_user_ret(x, ptr, ret) \
-	({ if (put_user((x), (ptr)))	return (ret); })
-#define get_user_ret(x, ptr, ret) \
-	({ if (get_user((x), (ptr)))	return (ret); })
-#define __put_user_ret(x, ptr, ret) \
-	({ if (__put_user((x), (ptr)))	return (ret); })
-#define __get_user_ret(x, ptr, ret) \
-	({ if (__get_user((x), (ptr)))	return (ret); })
-
 struct __large_struct { unsigned long buf[100]; };
 #define __m(x) (*(struct __large_struct *)(x))
 
diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h
index 64ee103dc29d..57aca2792d29 100644
--- a/arch/sparc/include/asm/uaccess_32.h
+++ b/arch/sparc/include/asm/uaccess_32.h
@@ -205,31 +205,6 @@ int __put_user_bad(void);
 	__gu_ret; \
 })
 
-#define __get_user_check_ret(x, addr, size, type, retval) ({ \
-	register unsigned long __gu_val __asm__ ("l1"); \
-	if (__access_ok(addr, size)) { \
-		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, , addr, retval); \
-			break; \
-		case 8: \
-			__get_user_asm_ret(__gu_val, d, addr, retval); \
-			break; \
-		default: \
-			if (__get_user_bad()) \
-				return retval; \
-		} \
-		x = (__force type) __gu_val; \
-	} else \
-		return retval; \
-})
-
 #define __get_user_nocheck(x, addr, size, type) ({			\
 	register int __gu_ret;						\
 	register unsigned long __gu_val;				\
@@ -247,20 +222,6 @@ int __put_user_bad(void);
 	__gu_ret;							\
 })
 
-#define __get_user_nocheck_ret(x, 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, , addr, retval);  break;	\
-	case 8: __get_user_asm_ret(__gu_val, d, addr, retval); break;	\
-	default:							\
-		if (__get_user_bad())					\
-			return retval;					\
-	}								\
-	x = (__force type) __gu_val;					\
-})
-
 #define __get_user_asm(x, size, addr, ret)				\
 __asm__ __volatile__(							\
 		"/* Get user asm, inline. */\n"				\
@@ -281,32 +242,6 @@ __asm__ __volatile__(							\
 	       : "=&r" (ret), "=&r" (x) : "m" (*__m(addr)),		\
 		 "i" (-EFAULT))
 
-#define __get_user_asm_ret(x, size, addr, retval)			\
-if (__builtin_constant_p(retval) && retval == -EFAULT)			\
-	__asm__ __volatile__(						\
-			"/* Get user asm ret, inline. */\n"		\
-		"1:\t"	"ld"#size " %1, %0\n\n\t"			\
-			".section __ex_table,#alloc\n\t"		\
-			".align	4\n\t"					\
-			".word	1b,__ret_efault\n\n\t"			\
-			".previous\n\t"					\
-		       : "=&r" (x) : "m" (*__m(addr)));			\
-else									\
-	__asm__ __volatile__(						\
-			"/* Get user asm ret, inline. */\n"		\
-		"1:\t"	"ld"#size " %1, %0\n\n\t"			\
-			".section .fixup,#alloc,#execinstr\n\t"		\
-			".align	4\n"					\
-		"3:\n\t"						\
-			"ret\n\t"					\
-			" restore %%g0, %2, %%o0\n\n\t"			\
-			".previous\n\t"					\
-			".section __ex_table,#alloc\n\t"		\
-			".align	4\n\t"					\
-			".word	1b, 3b\n\n\t"				\
-			".previous\n\t"					\
-		       : "=&r" (x) : "m" (*__m(addr)), "i" (retval))
-
 int __get_user_bad(void);
 
 unsigned long __copy_user(void __user *to, const void __user *from, unsigned long size);
diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h
index ea6e9a20f3ff..e9a51d64974d 100644
--- a/arch/sparc/include/asm/uaccess_64.h
+++ b/arch/sparc/include/asm/uaccess_64.h
@@ -179,20 +179,6 @@ int __put_user_bad(void);
 	 __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_asm(x, size, addr, ret)				\
 __asm__ __volatile__(							\
 		"/* Get user asm, inline. */\n"				\
@@ -214,32 +200,6 @@ __asm__ __volatile__(							\
 	       : "=r" (ret), "=r" (x) : "r" (__m(addr)),		\
 		 "i" (-EFAULT))
 
-#define __get_user_asm_ret(x, size, addr, retval)			\
-if (__builtin_constant_p(retval) && retval == -EFAULT)			\
-	__asm__ __volatile__(						\
-		"/* Get user asm ret, inline. */\n"			\
-	"1:\t"	"ld"#size "a [%1] %%asi, %0\n\n\t"			\
-		".section __ex_table,\"a\"\n\t"				\
-		".align	4\n\t"						\
-		".word	1b,__ret_efault\n\n\t"				\
-		".previous\n\t"						\
-	       : "=r" (x) : "r" (__m(addr)));				\
-else									\
-	__asm__ __volatile__(						\
-		"/* Get user asm ret, inline. */\n"			\
-	"1:\t"	"ld"#size "a [%1] %%asi, %0\n\n\t"			\
-		".section .fixup,#alloc,#execinstr\n\t"			\
-		".align	4\n"						\
-	"3:\n\t"							\
-		"ret\n\t"						\
-		" restore %%g0, %2, %%o0\n\n\t"				\
-		".previous\n\t"						\
-		".section __ex_table,\"a\"\n\t"				\
-		".align	4\n\t"						\
-		".word	1b, 3b\n\n\t"					\
-		".previous\n\t"						\
-	       : "=r" (x) : "r" (__m(addr)), "i" (retval))
-
 int __get_user_bad(void);
 
 unsigned long __must_check ___copy_from_user(void *to,