[PATCH 2/2] idr: describe how nextidp works in idr_get_next().

[Naohiro Aota <naota@elisp.net>]

It was unclear in original kernel-doc how nextidp worked in
idr_get_next(). Let's describe it.

Signed-off-by: Naohiro Aota <naota@elisp.net>
---
 lib/idr.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/lib/idr.c b/lib/idr.c
index fb86a67..cf8c46b 100644
--- a/lib/idr.c
+++ b/lib/idr.c
@@ -589,7 +589,8 @@ EXPORT_SYMBOL(idr_for_each);
  * @nextidp:  pointer to lookup key
  *
  * Returns pointer to registered object with id, which is next number to
- * given id.
+ * given id. The id pointed by nextidp will be updated
+ * appropriately for next iteration.
  */
 
 void *idr_get_next(struct idr *idp, int *nextidp)
-- 
1.7.2