It's already doing the right thing - it does access_ok() and the wrapper
in net/checksum.h is pointless here. Just rename it and be done with that...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* here even more important to align src and dst on a 32-bit (or even
* better 64-bit) boundary
*/
* here even more important to align src and dst on a 32-bit (or even
* better 64-bit) boundary
*/
-__wsum csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *errp);
+#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
+__wsum csum_and_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *errp);
__wsum csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum);
__wsum csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum);
-csum_partial_copy_from_user(const void __user *src, void *dst, int len,
+csum_and_copy_from_user(const void __user *src, void *dst, int len,
__wsum sum, int *errp)
{
unsigned long checksum = (__force u32) sum;
__wsum sum, int *errp)
{
unsigned long checksum = (__force u32) sum;
}
return (__force __wsum)checksum;
}
}
return (__force __wsum)checksum;
}
-EXPORT_SYMBOL(csum_partial_copy_from_user);
+EXPORT_SYMBOL(csum_and_copy_from_user);
__wsum
csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
__wsum
csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
__wsum checksum;
mm_segment_t oldfs = get_fs();
set_fs(KERNEL_DS);
__wsum checksum;
mm_segment_t oldfs = get_fs();
set_fs(KERNEL_DS);
- checksum = csum_partial_copy_from_user((__force const void __user *)src,
+ checksum = csum_and_copy_from_user((__force const void __user *)src,
dst, len, sum, NULL);
set_fs(oldfs);
return checksum;
dst, len, sum, NULL);
set_fs(oldfs);
return checksum;