diff options
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/include/asm/uaccess.h | 27 | ||||
| -rw-r--r-- | arch/mips/kernel/mips_ksyms.c | 4 | ||||
| -rw-r--r-- | arch/mips/lib/strlen_user.S | 3 |
3 files changed, 0 insertions, 34 deletions
diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h index 133678ab4eb8..486e27b8f479 100644 --- a/arch/mips/include/asm/uaccess.h +++ b/arch/mips/include/asm/uaccess.h @@ -1325,33 +1325,6 @@ strncpy_from_user(char *__to, const char __user *__from, long __len) return res; } -/* Returns: 0 if bad, string length+1 (memory size) of string if ok */ -static inline long __strlen_user(const char __user *s) -{ - long res; - - if (segment_eq(get_fs(), get_ds())) { - __asm__ __volatile__( - "move\t$4, %1\n\t" - __MODULE_JAL(__strlen_kernel_nocheck_asm) - "move\t%0, $2" - : "=r" (res) - : "r" (s) - : "$2", "$4", __UA_t0, "$31"); - } else { - might_fault(); - __asm__ __volatile__( - "move\t$4, %1\n\t" - __MODULE_JAL(__strlen_user_nocheck_asm) - "move\t%0, $2" - : "=r" (res) - : "r" (s) - : "$2", "$4", __UA_t0, "$31"); - } - - return res; -} - /* * strlen_user: - Get the size of a string in user space. * @str: The string to measure. diff --git a/arch/mips/kernel/mips_ksyms.c b/arch/mips/kernel/mips_ksyms.c index 2607c3a4ff7e..17eaf0cf760c 100644 --- a/arch/mips/kernel/mips_ksyms.c +++ b/arch/mips/kernel/mips_ksyms.c @@ -24,9 +24,7 @@ extern long __strncpy_from_user_nocheck_asm(char *__to, const char *__from, long __len); extern long __strncpy_from_user_asm(char *__to, const char *__from, long __len); -extern long __strlen_kernel_nocheck_asm(const char *s); extern long __strlen_kernel_asm(const char *s); -extern long __strlen_user_nocheck_asm(const char *s); extern long __strlen_user_asm(const char *s); extern long __strnlen_kernel_nocheck_asm(const char *s); extern long __strnlen_kernel_asm(const char *s); @@ -62,9 +60,7 @@ EXPORT_SYMBOL(__strncpy_from_kernel_nocheck_asm); EXPORT_SYMBOL(__strncpy_from_kernel_asm); EXPORT_SYMBOL(__strncpy_from_user_nocheck_asm); EXPORT_SYMBOL(__strncpy_from_user_asm); -EXPORT_SYMBOL(__strlen_kernel_nocheck_asm); EXPORT_SYMBOL(__strlen_kernel_asm); -EXPORT_SYMBOL(__strlen_user_nocheck_asm); EXPORT_SYMBOL(__strlen_user_asm); EXPORT_SYMBOL(__strnlen_kernel_nocheck_asm); EXPORT_SYMBOL(__strnlen_kernel_asm); diff --git a/arch/mips/lib/strlen_user.S b/arch/mips/lib/strlen_user.S index bef65c98df59..929bbacd697e 100644 --- a/arch/mips/lib/strlen_user.S +++ b/arch/mips/lib/strlen_user.S @@ -28,7 +28,6 @@ LEAF(__strlen_\func\()_asm) and v0, a0 bnez v0, .Lfault\@ -FEXPORT(__strlen_\func\()_nocheck_asm) move v0, a0 .ifeqs "\func", "kernel" 1: EX(lbu, v1, (v0), .Lfault\@) @@ -48,9 +47,7 @@ FEXPORT(__strlen_\func\()_nocheck_asm) #ifndef CONFIG_EVA /* Set aliases */ .global __strlen_user_asm - .global __strlen_user_nocheck_asm .set __strlen_user_asm, __strlen_kernel_asm - .set __strlen_user_nocheck_asm, __strlen_kernel_nocheck_asm #endif __BUILD_STRLEN_ASM kernel |