MIPS: Remove __strlen_user().
authorRalf Baechle <ralf@linux-mips.org>
Tue, 4 Nov 2014 02:02:16 +0000 (03:02 +0100)
committerRalf Baechle <ralf@linux-mips.org>
Mon, 24 Nov 2014 06:45:00 +0000 (07:45 +0100)
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/include/asm/uaccess.h
arch/mips/kernel/mips_ksyms.c
arch/mips/lib/strlen_user.S

index 133678ab4eb88cbf213d6516c21be76d06e23a22..486e27b8f479f607d1db0d5799b412cffaa442c3 100644 (file)
@@ -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.
index 2607c3a4ff7e9348f9c197884bd75bbe05fee76c..17eaf0cf760c60eb08fad9d666877dc5606ee61b 100644 (file)
@@ -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);
index bef65c98df59cb95c0c4a56cfb4a73cbe7690237..929bbacd697e2a8f0bfe5bb46e50233e31a62c92 100644 (file)
@@ -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