tree 7b957c610ea1df9e099173ac29e84ef7ca6856b4
parent 8cd9234c64c584432f6992fe944ca9e46ca8ea76
author Jan Kara <jack@suse.cz> 1433339435 +0200
committer Linus Torvalds <torvalds@linux-foundation.org> 1433343622 -0700

lib: Clarify the return value of strnlen_user()

strnlen_user() can return a number in a range 0 to count +
sizeof(unsigned long) - 1. Clarify the comment at the top of the
function so that users don't think the function returns at most count+1.

Signed-off-by: Jan Kara <jack@suse.cz>
[ Also added commentary about preferably not using this function ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>