Commit 82985258 authored by Al Viro's avatar Al Viro
Browse files

kill strlen_user() 



no callers, no consistent semantics, no sane way to use it...

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 2ea659a9

arch/alpha/include/asm/uaccess.h

+0 −1
Original line number Diff line number Diff line
@@ -326,7 +326,6 @@ clear_user(void __user *to, long len) 
        (uaccess_kernel() ? ~0UL : TASK_SIZE)



extern long strncpy_from_user(char *dest, const char __user *src, long count);

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

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



#include <asm/extable.h>

arch/arm/include/asm/uaccess.h

+0 −1
Original line number Diff line number Diff line
@@ -526,7 +526,6 @@ static inline unsigned long __must_check clear_user(void __user *to, unsigned lo 
/* These are from lib/ code, and use __get_user() and friends */

extern long strncpy_from_user(char *dest, const char __user *src, long count);



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

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



#endif /* _ASMARM_UACCESS_H */

arch/arm64/include/asm/uaccess.h

+0 −1
Original line number Diff line number Diff line
@@ -349,7 +349,6 @@ static inline unsigned long __must_check clear_user(void __user *to, unsigned lo 


extern long strncpy_from_user(char *dest, const char __user *src, long count);



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

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



#endif /* __ASM_UACCESS_H */

arch/blackfin/include/asm/uaccess.h

+0 −7
Original line number Diff line number Diff line
@@ -194,13 +194,6 @@ static inline long __must_check strnlen_user(const char __user *src, long n) 
	return strnlen((const char __force *)src, n) + 1;

}



static inline long __must_check strlen_user(const char __user *src)

{

	if (!access_ok(VERIFY_READ, src, 1))

		return 0;

	return strlen((const char __force *)src) + 1;

}



/*

 * Zero Userspace

 */

arch/cris/include/asm/uaccess.h

+0 −2
Original line number Diff line number Diff line
@@ -363,6 +363,4 @@ __clear_user(void __user *to, unsigned long n) 
	return __do_clear_user(to, n);

}



#define strlen_user(str)	strnlen_user((str), 0x7ffffffe)



#endif	/* _CRIS_UACCESS_H */