regmap: debugfs: Make sure we store the last entry in the offset cache

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index 720e1424816..46a213a596e 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -116,6 +116,15 @@ static unsigned int regmap_debugfs_get_dump_start(struct regmap *map,
 		}
 	}
 
+	/* Close the last entry off if we didn't scan beyond it */
+	if (c) {
+		c->max = p - 1;
+		list_add_tail(&c->list,
+			      &map->debugfs_off_cache);
+	} else {
+		return base;
+	}
+
 	/*
 	 * This should never happen; we return above if we fail to
 	 * allocate and we should never be in this code if there are