Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
[PATCH] m68k: basic __user annotations
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
authored by Al Viro and committed by Linus Torvalds 11c40f8a ad9ec4f8
+10
-8
include/asm-m68k/uaccess.h
+10
-8
include/asm-m68k/uaccess.h
···
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({ \
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int __pu_err; \
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typeof(*(ptr)) __pu_val = (x); \
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switch (sizeof (*(ptr))) { \
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case 1: \
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__put_user_asm(__pu_err, __pu_val, ptr, b); \
···
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({ \
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int __gu_err; \
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typeof(*(ptr)) __gu_val; \
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switch (sizeof(*(ptr))) { \
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case 1: \
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__get_user_asm(__gu_err, __gu_val, ptr, b, "=d"); \
···
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__gu_err = __constant_copy_from_user(&__gu_val, ptr, 8); \
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break; \
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default: \
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-
__gu_val = 0; \
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__gu_err = __get_user_bad(); \
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break; \
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} \
···
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: "m"(*(ptr)), "i" (-EFAULT), "0"(0))
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static inline unsigned long
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__generic_copy_from_user(void *to, const void *from, unsigned long n)
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{
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unsigned long tmp;
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__asm__ __volatile__
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}
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static inline unsigned long
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__generic_copy_to_user(void *to, const void *from, unsigned long n)
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{
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unsigned long tmp;
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__asm__ __volatile__
···
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: "d0", "memory")
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static inline unsigned long
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__constant_copy_from_user(void *to, const void *from, unsigned long n)
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{
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switch (n) {
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case 0:
···
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#define __copy_from_user_inatomic __copy_from_user
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static inline unsigned long
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__constant_copy_to_user(void *to, const void *from, unsigned long n)
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{
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switch (n) {
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case 0:
···
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*/
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static inline long
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strncpy_from_user(char *dst, const char *src, long count)
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{
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long res;
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if (count == 0) return count;
···
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*
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* Return 0 on exception, a value greater than N if too long
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*/
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static inline long strnlen_user(const char *src, long n)
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{
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long res;
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···
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*/
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static inline unsigned long
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clear_user(void *to, unsigned long n)
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{
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__asm__ __volatile__
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(" tstl %1\n"
···
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({ \
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int __pu_err; \
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typeof(*(ptr)) __pu_val = (x); \
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+
__chk_user_ptr(ptr); \
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switch (sizeof (*(ptr))) { \
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case 1: \
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__put_user_asm(__pu_err, __pu_val, ptr, b); \
···
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({ \
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int __gu_err; \
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typeof(*(ptr)) __gu_val; \
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__chk_user_ptr(ptr); \
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switch (sizeof(*(ptr))) { \
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case 1: \
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__get_user_asm(__gu_err, __gu_val, ptr, b, "=d"); \
···
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__gu_err = __constant_copy_from_user(&__gu_val, ptr, 8); \
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break; \
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default: \
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+
__gu_val = (typeof(*(ptr)))0; \
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__gu_err = __get_user_bad(); \
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break; \
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} \
···
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: "m"(*(ptr)), "i" (-EFAULT), "0"(0))
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static inline unsigned long
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+
__generic_copy_from_user(void *to, const void __user *from, unsigned long n)
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{
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unsigned long tmp;
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__asm__ __volatile__
···
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}
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static inline unsigned long
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+
__generic_copy_to_user(void __user *to, const void *from, unsigned long n)
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{
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unsigned long tmp;
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__asm__ __volatile__
···
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: "d0", "memory")
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static inline unsigned long
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+
__constant_copy_from_user(void *to, const void __user *from, unsigned long n)
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{
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switch (n) {
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case 0:
···
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#define __copy_from_user_inatomic __copy_from_user
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static inline unsigned long
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+
__constant_copy_to_user(void __user *to, const void *from, unsigned long n)
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{
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switch (n) {
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case 0:
···
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*/
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static inline long
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+
strncpy_from_user(char *dst, const char __user *src, long count)
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{
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long res;
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if (count == 0) return count;
···
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*
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* Return 0 on exception, a value greater than N if too long
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*/
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+
static inline long strnlen_user(const char __user *src, long n)
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{
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long res;
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···
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*/
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static inline unsigned long
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+
clear_user(void __user *to, unsigned long n)
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{
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__asm__ __volatile__
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(" tstl %1\n"