diff options
| -rw-r--r-- | arch/s390/include/asm/uaccess.h | 1 | ||||
| -rw-r--r-- | arch/s390/mm/maccess.c | 26 |
2 files changed, 0 insertions, 27 deletions
diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h index 2710b41..4133b3f 100644 --- a/arch/s390/include/asm/uaccess.h +++ b/arch/s390/include/asm/uaccess.h @@ -344,6 +344,5 @@ static inline unsigned long __must_check clear_user(void __user *to, unsigned lo } int copy_to_user_real(void __user *dest, void *src, unsigned long count); -int copy_from_user_real(void *dest, void __user *src, unsigned long count); #endif /* __S390_UACCESS_H */ diff --git a/arch/s390/mm/maccess.c b/arch/s390/mm/maccess.c index efe8ad0..2a2e354 100644 --- a/arch/s390/mm/maccess.c +++ b/arch/s390/mm/maccess.c @@ -152,32 +152,6 @@ out: } /* - * Copy memory from user (virtual) to kernel (real) - */ -int copy_from_user_real(void *dest, void __user *src, unsigned long count) -{ - int offs = 0, size, rc; - char *buf; - - buf = (char *) __get_free_page(GFP_KERNEL); - if (!buf) - return -ENOMEM; - rc = -EFAULT; - while (offs < count) { - size = min(PAGE_SIZE, count - offs); - if (copy_from_user(buf, src + offs, size)) - goto out; - if (memcpy_real(dest + offs, buf, size)) - goto out; - offs += size; - } - rc = 0; -out: - free_page((unsigned long) buf); - return rc; -} - -/* * Check if physical address is within prefix or zero page */ static int is_swapped(unsigned long addr) |
