diff options
| -rw-r--r-- | arch/cris/include/asm/uaccess.h | 6 | ||||
| -rw-r--r-- | arch/m32r/include/asm/uaccess.h | 2 | ||||
| -rw-r--r-- | arch/m32r/kernel/m32r_ksyms.c | 1 | ||||
| -rw-r--r-- | arch/m32r/lib/usercopy.c | 8 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/uaccess.h | 4 | ||||
| -rw-r--r-- | arch/mips/include/asm/uaccess.h | 54 | ||||
| -rw-r--r-- | arch/mips/lib/strncpy_user.S | 6 | ||||
| -rw-r--r-- | arch/mn10300/include/asm/uaccess.h | 1 | ||||
| -rw-r--r-- | arch/mn10300/kernel/mn10300_ksyms.c | 1 | ||||
| -rw-r--r-- | arch/mn10300/lib/usercopy.c | 8 | ||||
| -rw-r--r-- | arch/xtensa/include/asm/uaccess.h | 3 |
11 files changed, 2 insertions, 92 deletions
diff --git a/arch/cris/include/asm/uaccess.h b/arch/cris/include/asm/uaccess.h index 98bfa4e060da..b0c6b077b632 100644 --- a/arch/cris/include/asm/uaccess.h +++ b/arch/cris/include/asm/uaccess.h @@ -173,12 +173,6 @@ extern unsigned long __copy_user_in(void *to, const void __user *from, unsigned extern unsigned long __do_clear_user(void __user *to, unsigned long n); static inline long -__strncpy_from_user(char *dst, const char __user *src, long count) -{ - return __do_strncpy_from_user(dst, src, count); -} - -static inline long strncpy_from_user(char *dst, const char __user *src, long count) { long res = -EFAULT; diff --git a/arch/m32r/include/asm/uaccess.h b/arch/m32r/include/asm/uaccess.h index 0273d0481edc..496c4716dbc8 100644 --- a/arch/m32r/include/asm/uaccess.h +++ b/arch/m32r/include/asm/uaccess.h @@ -482,8 +482,6 @@ raw_copy_to_user(void __user *to, const void *from, unsigned long n) long __must_check strncpy_from_user(char *dst, const char __user *src, long count); -long __must_check __strncpy_from_user(char *dst, - const char __user *src, long count); /** * __clear_user: - Zero a block of memory in user space, with less checking. diff --git a/arch/m32r/kernel/m32r_ksyms.c b/arch/m32r/kernel/m32r_ksyms.c index a4d43b5cc102..68da6b800453 100644 --- a/arch/m32r/kernel/m32r_ksyms.c +++ b/arch/m32r/kernel/m32r_ksyms.c @@ -23,7 +23,6 @@ EXPORT_SYMBOL(__ioremap); EXPORT_SYMBOL(iounmap); EXPORT_SYMBOL(strncpy_from_user); -EXPORT_SYMBOL(__strncpy_from_user); EXPORT_SYMBOL(clear_user); EXPORT_SYMBOL(__clear_user); EXPORT_SYMBOL(strnlen_user); diff --git a/arch/m32r/lib/usercopy.c b/arch/m32r/lib/usercopy.c index b3ef2c899f96..b723b11107c7 100644 --- a/arch/m32r/lib/usercopy.c +++ b/arch/m32r/lib/usercopy.c @@ -89,14 +89,6 @@ do { \ #endif /* CONFIG_ISA_DUAL_ISSUE */ long -__strncpy_from_user(char *dst, const char __user *src, long count) -{ - long res; - __do_strncpy_from_user(dst, src, count, res); - return res; -} - -long strncpy_from_user(char *dst, const char __user *src, long count) { long res = -EFAULT; diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h index 38f2c9ccef10..81f16aadbf9e 100644 --- a/arch/microblaze/include/asm/uaccess.h +++ b/arch/microblaze/include/asm/uaccess.h @@ -355,14 +355,12 @@ raw_copy_to_user(void __user *to, const void *from, unsigned long n) */ extern int __strncpy_user(char *to, const char __user *from, int len); -#define __strncpy_from_user __strncpy_user - static inline long strncpy_from_user(char *dst, const char __user *src, long count) { if (!access_ok(VERIFY_READ, src, 1)) return -EFAULT; - return __strncpy_from_user(dst, src, count); + return __strncpy_user(dst, src, count); } /* diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h index 846628eee108..14d5f2e04971 100644 --- a/arch/mips/include/asm/uaccess.h +++ b/arch/mips/include/asm/uaccess.h @@ -967,60 +967,6 @@ __clear_user(void __user *addr, __kernel_size_t size) __cl_size; \ }) -extern long __strncpy_from_kernel_nocheck_asm(char *__to, const char __user *__from, long __len); -extern long __strncpy_from_user_nocheck_asm(char *__to, const char __user *__from, long __len); - -/* - * __strncpy_from_user: - Copy a NUL terminated string from userspace, with less checking. - * @dst: Destination address, in kernel space. This buffer must be at - * least @count bytes long. - * @src: Source address, in user space. - * @count: Maximum number of bytes to copy, including the trailing NUL. - * - * Copies a NUL-terminated string from userspace to kernel space. - * Caller must check the specified block with access_ok() before calling - * this function. - * - * On success, returns the length of the string (not including the trailing - * NUL). - * - * If access to userspace fails, returns -EFAULT (some data may have been - * copied). - * - * If @count is smaller than the length of the string, copies @count bytes - * and returns @count. - */ -static inline long -__strncpy_from_user(char *__to, const char __user *__from, long __len) -{ - long res; - - if (eva_kernel_access()) { - __asm__ __volatile__( - "move\t$4, %1\n\t" - "move\t$5, %2\n\t" - "move\t$6, %3\n\t" - __MODULE_JAL(__strncpy_from_kernel_nocheck_asm) - "move\t%0, $2" - : "=r" (res) - : "r" (__to), "r" (__from), "r" (__len) - : "$2", "$3", "$4", "$5", "$6", __UA_t0, "$31", "memory"); - } else { - might_fault(); - __asm__ __volatile__( - "move\t$4, %1\n\t" - "move\t$5, %2\n\t" - "move\t$6, %3\n\t" - __MODULE_JAL(__strncpy_from_user_nocheck_asm) - "move\t%0, $2" - : "=r" (res) - : "r" (__to), "r" (__from), "r" (__len) - : "$2", "$3", "$4", "$5", "$6", __UA_t0, "$31", "memory"); - } - - return res; -} - extern long __strncpy_from_kernel_asm(char *__to, const char __user *__from, long __len); extern long __strncpy_from_user_asm(char *__to, const char __user *__from, long __len); diff --git a/arch/mips/lib/strncpy_user.S b/arch/mips/lib/strncpy_user.S index 5267ca800b84..acdff66bd5d2 100644 --- a/arch/mips/lib/strncpy_user.S +++ b/arch/mips/lib/strncpy_user.S @@ -35,7 +35,6 @@ LEAF(__strncpy_from_\func\()_asm) and v0, a1 bnez v0, .Lfault\@ -FEXPORT(__strncpy_from_\func\()_nocheck_asm) move t0, zero move v1, a1 .ifeqs "\func","kernel" @@ -70,16 +69,12 @@ FEXPORT(__strncpy_from_\func\()_nocheck_asm) #ifndef CONFIG_EVA /* Set aliases */ .global __strncpy_from_user_asm - .global __strncpy_from_user_nocheck_asm .set __strncpy_from_user_asm, __strncpy_from_kernel_asm - .set __strncpy_from_user_nocheck_asm, __strncpy_from_kernel_nocheck_asm EXPORT_SYMBOL(__strncpy_from_user_asm) -EXPORT_SYMBOL(__strncpy_from_user_nocheck_asm) #endif __BUILD_STRNCPY_ASM kernel EXPORT_SYMBOL(__strncpy_from_kernel_asm) -EXPORT_SYMBOL(__strncpy_from_kernel_nocheck_asm) #ifdef CONFIG_EVA .set push @@ -87,5 +82,4 @@ EXPORT_SYMBOL(__strncpy_from_kernel_nocheck_asm) __BUILD_STRNCPY_ASM user .set pop EXPORT_SYMBOL(__strncpy_from_user_asm) -EXPORT_SYMBOL(__strncpy_from_user_nocheck_asm) #endif diff --git a/arch/mn10300/include/asm/uaccess.h b/arch/mn10300/include/asm/uaccess.h index 2e04ebb711c4..5af468fd1359 100644 --- a/arch/mn10300/include/asm/uaccess.h +++ b/arch/mn10300/include/asm/uaccess.h @@ -290,7 +290,6 @@ raw_copy_to_user(void __user *to, const void *from, unsigned long n) } extern long strncpy_from_user(char *dst, const char __user *src, long count); -extern long __strncpy_from_user(char *dst, const char __user *src, long count); extern long strnlen_user(const char __user *str, long n); extern unsigned long clear_user(void __user *mem, unsigned long len); extern unsigned long __clear_user(void __user *mem, unsigned long len); diff --git a/arch/mn10300/kernel/mn10300_ksyms.c b/arch/mn10300/kernel/mn10300_ksyms.c index 5e9f919635f0..66fb68d0ca8a 100644 --- a/arch/mn10300/kernel/mn10300_ksyms.c +++ b/arch/mn10300/kernel/mn10300_ksyms.c @@ -23,7 +23,6 @@ EXPORT_SYMBOL(memmove); EXPORT_SYMBOL(memset); EXPORT_SYMBOL(strncpy_from_user); -EXPORT_SYMBOL(__strncpy_from_user); EXPORT_SYMBOL(clear_user); EXPORT_SYMBOL(__clear_user); EXPORT_SYMBOL(strnlen_user); diff --git a/arch/mn10300/lib/usercopy.c b/arch/mn10300/lib/usercopy.c index cece1799cc32..39626912de98 100644 --- a/arch/mn10300/lib/usercopy.c +++ b/arch/mn10300/lib/usercopy.c @@ -50,14 +50,6 @@ do { \ } while (0) long -__strncpy_from_user(char *dst, const char *src, long count) -{ - long res; - __do_strncpy_from_user(dst, src, count, res); - return res; -} - -long strncpy_from_user(char *dst, const char *src, long count) { long res = -EFAULT; diff --git a/arch/xtensa/include/asm/uaccess.h b/arch/xtensa/include/asm/uaccess.h index c0714b471ef4..b8f152b6aaa5 100644 --- a/arch/xtensa/include/asm/uaccess.h +++ b/arch/xtensa/include/asm/uaccess.h @@ -278,13 +278,12 @@ clear_user(void *addr, unsigned long size) extern long __strncpy_user(char *, const char *, long); -#define __strncpy_from_user __strncpy_user static inline long strncpy_from_user(char *dst, const char *src, long count) { if (access_ok(VERIFY_READ, src, 1)) - return __strncpy_from_user(dst, src, count); + return __strncpy_user(dst, src, count); return -EFAULT; } |
