Sparse reports a warning at wait_entry_unlocked() warning: context imbalance in wait_entry_unlocked() - unexpected unlock The root cause is the missing annotation at wait_entry_unlocked() Add the missing __releases(xas->xa->xa_lock) annotation Signed-off-by: Jules Irenge <jbi.octave(a)gmail.com&gt; --- fs/dax.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/dax.c b/fs/dax.c index 35da144375a0..ee0468af4d81 100644 --- a/fs/dax.c +++ b/fs/dax.c @@ -244,6 +244,7 @@ static void *get_unlocked_entry(struct xa_state *xas, unsigned int order) * After we call xas_unlock_irq(), we cannot touch xas->xa. */ static void wait_entry_unlocked(struct xa_state *xas, void *entry) + __releases(xas->xa->xa_lock) { struct wait_exceptional_entry_queue ewait; wait_queue_head_t *wq; -- Change since v2 - gives more accurate lock variable name 2.25.1