diff options
Diffstat (limited to 'arch/avr32')
| -rw-r--r-- | arch/avr32/include/asm/uaccess.h | 11 | ||||
| -rw-r--r-- | arch/avr32/kernel/avr32_ksyms.c | 2 | ||||
| -rw-r--r-- | arch/avr32/kernel/traps.c | 3 | ||||
| -rw-r--r-- | arch/avr32/kernel/vmlinux.lds.S | 1 | ||||
| -rw-r--r-- | arch/avr32/lib/copy_user.S | 8 | ||||
| -rw-r--r-- | arch/avr32/mm/fault.c | 2 |
6 files changed, 19 insertions, 8 deletions
diff --git a/arch/avr32/include/asm/uaccess.h b/arch/avr32/include/asm/uaccess.h index 68cf638faf48..b1ec1fa06463 100644 --- a/arch/avr32/include/asm/uaccess.h +++ b/arch/avr32/include/asm/uaccess.h @@ -74,7 +74,7 @@ extern __kernel_size_t __copy_user(void *to, const void *from, extern __kernel_size_t copy_to_user(void __user *to, const void *from, __kernel_size_t n); -extern __kernel_size_t copy_from_user(void *to, const void __user *from, +extern __kernel_size_t ___copy_from_user(void *to, const void __user *from, __kernel_size_t n); static inline __kernel_size_t __copy_to_user(void __user *to, const void *from, @@ -88,6 +88,15 @@ static inline __kernel_size_t __copy_from_user(void *to, { return __copy_user(to, (const void __force *)from, n); } +static inline __kernel_size_t copy_from_user(void *to, + const void __user *from, + __kernel_size_t n) +{ + size_t res = ___copy_from_user(to, from, n); + if (unlikely(res)) + memset(to + (n - res), 0, res); + return res; +} #define __copy_to_user_inatomic __copy_to_user #define __copy_from_user_inatomic __copy_from_user diff --git a/arch/avr32/kernel/avr32_ksyms.c b/arch/avr32/kernel/avr32_ksyms.c index d93ead02daed..7c6cf14f0985 100644 --- a/arch/avr32/kernel/avr32_ksyms.c +++ b/arch/avr32/kernel/avr32_ksyms.c @@ -36,7 +36,7 @@ EXPORT_SYMBOL(copy_page); /* * Userspace access stuff. */ -EXPORT_SYMBOL(copy_from_user); +EXPORT_SYMBOL(___copy_from_user); EXPORT_SYMBOL(copy_to_user); EXPORT_SYMBOL(__copy_user); EXPORT_SYMBOL(strncpy_from_user); diff --git a/arch/avr32/kernel/traps.c b/arch/avr32/kernel/traps.c index 682b2478691a..eb4a3fcfbaff 100644 --- a/arch/avr32/kernel/traps.c +++ b/arch/avr32/kernel/traps.c @@ -11,7 +11,8 @@ #include <linux/init.h> #include <linux/kallsyms.h> #include <linux/kdebug.h> -#include <linux/module.h> +#include <linux/extable.h> +#include <linux/module.h> /* print_modules */ #include <linux/notifier.h> #include <linux/sched.h> #include <linux/uaccess.h> diff --git a/arch/avr32/kernel/vmlinux.lds.S b/arch/avr32/kernel/vmlinux.lds.S index a4589176bed5..17f2730eb497 100644 --- a/arch/avr32/kernel/vmlinux.lds.S +++ b/arch/avr32/kernel/vmlinux.lds.S @@ -52,6 +52,7 @@ SECTIONS KPROBES_TEXT TEXT_TEXT SCHED_TEXT + CPUIDLE_TEXT LOCK_TEXT *(.fixup) *(.gnu.warning) diff --git a/arch/avr32/lib/copy_user.S b/arch/avr32/lib/copy_user.S index ea59c04b07de..075373471da1 100644 --- a/arch/avr32/lib/copy_user.S +++ b/arch/avr32/lib/copy_user.S @@ -23,13 +23,13 @@ */ .text .align 1 - .global copy_from_user - .type copy_from_user, @function -copy_from_user: + .global ___copy_from_user + .type ___copy_from_user, @function +___copy_from_user: branch_if_kernel r8, __copy_user ret_if_privileged r8, r11, r10, r10 rjmp __copy_user - .size copy_from_user, . - copy_from_user + .size ___copy_from_user, . - ___copy_from_user .global copy_to_user .type copy_to_user, @function diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c index a4b7edac8f10..b3977e9208a3 100644 --- a/arch/avr32/mm/fault.c +++ b/arch/avr32/mm/fault.c @@ -10,7 +10,7 @@ */ #include <linux/mm.h> -#include <linux/module.h> +#include <linux/extable.h> #include <linux/pagemap.h> #include <linux/kdebug.h> #include <linux/kprobes.h> |
