Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (24 commits)
  trivial: chack -> check typo fix in main Makefile
  trivial: Add a space (and a comma) to a printk in 8250 driver
  trivial: Fix misspelling of "firmware" in docs for ncr53c8xx/sym53c8xx
  trivial: Fix misspelling of "firmware" in powerpc Makefile
  trivial: Fix misspelling of "firmware" in usb.c
  trivial: Fix misspelling of "firmware" in qla1280.c
  trivial: Fix misspelling of "firmware" in a100u2w.c
  trivial: Fix misspelling of "firmware" in megaraid.c
  trivial: Fix misspelling of "firmware" in ql4_mbx.c
  trivial: Fix misspelling of "firmware" in acpi_memhotplug.c
  trivial: Fix misspelling of "firmware" in ipw2100.c
  trivial: Fix misspelling of "firmware" in atmel.c
  trivial: Fix misspelled firmware in Kconfig
  trivial: fix an -> a typos in documentation and comments
  trivial: fix then -> than typos in comments and documentation
  trivial: update Jesper Juhl CREDITS entry with new email
  trivial: fix singal -> signal typo
  trivial: Fix incorrect use of "loose" in event.c
  trivial: printk: fix indentation of new_text_line declaration
  trivial: rtc-stk17ta8: fix sparse warning
  ...

1 files changed, 6 insertions, 5 deletions

diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 8d3fb0bd1288..4bb42a0344ec 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -640,13 +640,14 @@ EXPORT_SYMBOL(radix_tree_tag_get);
  *
  *      Returns: the index of the hole if found, otherwise returns an index
  *      outside of the set specified (in which case 'return - index >= max_scan'
- *      will be true).
+ *      will be true). In rare cases of index wrap-around, 0 will be returned.
  *
  *      radix_tree_next_hole may be called under rcu_read_lock. However, like
- *      radix_tree_gang_lookup, this will not atomically search a snapshot of the
- *      tree at a single point in time. For example, if a hole is created at index
- *      5, then subsequently a hole is created at index 10, radix_tree_next_hole
- *      covering both indexes may return 10 if called under rcu_read_lock.
+ *      radix_tree_gang_lookup, this will not atomically search a snapshot of
+ *      the tree at a single point in time. For example, if a hole is created
+ *      at index 5, then subsequently a hole is created at index 10,
+ *      radix_tree_next_hole covering both indexes may return 10 if called
+ *      under rcu_read_lock.
  */
 unsigned long radix_tree_next_hole(struct radix_tree_root *root,
                                 unsigned long index, unsigned long max_scan)