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 720e14248167..46a213a596e2 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