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Commit 5bd9f4bb authored by Mark Brown's avatar Mark Brown
Browse files

regmap: debugfs: Ensure a correct return value for empty caches 



This should never happen in the real world.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 95f971c7

drivers/base/regmap/regmap-debugfs.c

+10 −0
Original line number Diff line number Diff line
@@ -116,6 +116,16 @@ static unsigned int regmap_debugfs_get_dump_start(struct regmap *map, 
		}

	}



	/*

	 * This should never happen; we return above if we fail to

	 * allocate and we should never be in this code if there are

	 * no registers at all.

	 */

	if (list_empty(&map->debugfs_off_cache)) {

		WARN_ON(list_empty(&map->debugfs_off_cache));

		return base;

	}



	/* Find the relevant block */

	list_for_each_entry(c, &map->debugfs_off_cache, list) {

		if (from >= c->min && from <= c->max) {