Jan Kara 226a07ef0a 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>

2015-06-03 08:00:22 -07:00

4.0 KiB

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