From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Tue, 8 Jan 2013 18:47:52 +0000 (+0000)
Subject: regmap: debugfs: Make sure we store the last entry in the offset cache
X-Git-Tag: firefly_0821_release~3680^2~1262^2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e8d6539c8a94b88fc7ca5d6bdd9eeb0e64b434e4;p=firefly-linux-kernel-4.4.55.git

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

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

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