mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-03 17:40:04 +00:00
efi_test: get rid of pointless access_ok()
really, people - get_user(), copy_from_user(), memdup_user(), etc. all fail if access_ok() does. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
parent
a38547d435
commit
d2659e583e
1 changed files with 0 additions and 12 deletions
|
@ -70,9 +70,6 @@ copy_ucs2_from_user_len(efi_char16_t **dst, efi_char16_t __user *src,
|
|||
return 0;
|
||||
}
|
||||
|
||||
if (!access_ok(src, 1))
|
||||
return -EFAULT;
|
||||
|
||||
buf = memdup_user(src, len);
|
||||
if (IS_ERR(buf)) {
|
||||
*dst = NULL;
|
||||
|
@ -91,9 +88,6 @@ copy_ucs2_from_user_len(efi_char16_t **dst, efi_char16_t __user *src,
|
|||
static inline int
|
||||
get_ucs2_strsize_from_user(efi_char16_t __user *src, size_t *len)
|
||||
{
|
||||
if (!access_ok(src, 1))
|
||||
return -EFAULT;
|
||||
|
||||
*len = user_ucs2_strsize(src);
|
||||
if (*len == 0)
|
||||
return -EFAULT;
|
||||
|
@ -118,9 +112,6 @@ copy_ucs2_from_user(efi_char16_t **dst, efi_char16_t __user *src)
|
|||
{
|
||||
size_t len;
|
||||
|
||||
if (!access_ok(src, 1))
|
||||
return -EFAULT;
|
||||
|
||||
len = user_ucs2_strsize(src);
|
||||
if (len == 0)
|
||||
return -EFAULT;
|
||||
|
@ -142,9 +133,6 @@ copy_ucs2_to_user_len(efi_char16_t __user *dst, efi_char16_t *src, size_t len)
|
|||
if (!src)
|
||||
return 0;
|
||||
|
||||
if (!access_ok(dst, 1))
|
||||
return -EFAULT;
|
||||
|
||||
return copy_to_user(dst, src, len);
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in a new issue