Commits
![Al Viro](https://secure.gravatar.com/avatar/b1fecf6b03fc62f894bef52b49551915.jpg?s=96&d=mm)
Al Viro committed 16e5c1fc360
convert a bunch of open-coded instances of memdup_user_nul() A _lot_ of ->write() instances were open-coding it; some are converted to memdup_user_nul(), a lot more remain... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>