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Commit 2c66f623 authored by David Miller's avatar David Miller Committed by Linus Torvalds
Browse files

sparc: use the new generic strnlen_user() function 



This throws away the sparc-specific functions in favor of the generic
optimized version.

Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 5723aa99

arch/sparc/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -35,6 +35,7 @@ config SPARC 
	select GENERIC_CMOS_UPDATE

	select GENERIC_CLOCKEVENTS

	select GENERIC_STRNCPY_FROM_USER

	select GENERIC_STRNLEN_USER



config SPARC32

	def_bool !64BIT

arch/sparc/include/asm/uaccess_32.h

+4 −18
Original line number Diff line number Diff line
@@ -16,6 +16,8 @@ 


#ifndef __ASSEMBLY__



#include <asm/processor.h>



#define ARCH_HAS_SORT_EXTABLE

#define ARCH_HAS_SEARCH_EXTABLE
@@ -304,24 +306,8 @@ static inline unsigned long clear_user(void __user *addr, unsigned long n) 
		return n;

}



extern long __strlen_user(const char __user *);

extern long __strnlen_user(const char __user *, long len);



static inline long strlen_user(const char __user *str)

{

	if (!access_ok(VERIFY_READ, str, 0))

		return 0;

	else

		return __strlen_user(str);

}



static inline long strnlen_user(const char __user *str, long len)

{

	if (!access_ok(VERIFY_READ, str, 0))

		return 0;

	else

		return __strnlen_user(str, len);

}

extern __must_check long strlen_user(const char __user *str);

extern __must_check long strnlen_user(const char __user *str, long n);



#endif  /* __ASSEMBLY__ */

arch/sparc/include/asm/uaccess_64.h

+4 −4
Original line number Diff line number Diff line
@@ -17,6 +17,8 @@ 


#ifndef __ASSEMBLY__



#include <asm/processor.h>



/*

 * Sparc64 is segmented, though more like the M68K than the I386.

 * We use the secondary ASI to address user memory, which references a
@@ -257,11 +259,9 @@ extern unsigned long __must_check __clear_user(void __user *, unsigned long); 


#define clear_user __clear_user



extern long __strlen_user(const char __user *);

extern long __strnlen_user(const char __user *, long len);

extern __must_check long strlen_user(const char __user *str);

extern __must_check long strnlen_user(const char __user *str, long n);



#define strlen_user __strlen_user

#define strnlen_user __strnlen_user

#define __copy_to_user_inatomic ___copy_to_user

#define __copy_from_user_inatomic ___copy_from_user

arch/sparc/lib/Makefile

+0 −1
Original line number Diff line number Diff line
@@ -10,7 +10,6 @@ lib-y += strlen.o 
lib-y                 += checksum_$(BITS).o

lib-$(CONFIG_SPARC32) += blockops.o

lib-y                 += memscan_$(BITS).o memcmp.o strncmp_$(BITS).o

lib-y                 += strlen_user_$(BITS).o

lib-$(CONFIG_SPARC32) += divdi3.o udivdi3.o

lib-$(CONFIG_SPARC32) += copy_user.o locks.o

lib-$(CONFIG_SPARC64) += atomic_64.o

arch/sparc/lib/ksyms.c

+0 −2
Original line number Diff line number Diff line
@@ -15,8 +15,6 @@ 


/* string functions */

EXPORT_SYMBOL(strlen);

EXPORT_SYMBOL(__strlen_user);

EXPORT_SYMBOL(__strnlen_user);

EXPORT_SYMBOL(strncmp);



/* mem* functions */