bitmap_parse_user — convert an ASCII hex string in a user buffer into a bitmap
|const char __user * ubuf,|
|unsigned int ulen,|
|unsigned long * maskp,|
const char __user * ubuf
pointer to user buffer containing string.
unsigned int ulen
buffer size in bytes. If string is smaller than this then it must be terminated with a \0.
unsigned long * maskp
pointer to bitmap array that will contain result.
size of bitmap, in bits.
__bitmap_parse, providing it with user buffer.
We cannot have this as an inline function in bitmap.h because it needs
linux/uaccess.h to get the
access_ok declaration and this causes