1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 9c021d9cace0..9a36ac14b0b5 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -2173,6 +2173,10 @@ int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
         int i, ret;
         bool bypass;
 
+        if (WARN_ONCE(num_regs <= 0, "invalid registers number (%d)\n",
+            num_regs))
+                return 0;
+
         map->lock(map->lock_arg);
 
         bypass = map->cache_bypass;