1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 63e30ef096e2..9596f3048939 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1615,6 +1615,9 @@ static int _regmap_raw_multi_reg_write(struct regmap *map,
         size_t pair_size = reg_bytes + pad_bytes + val_bytes;
         size_t len = pair_size * num_regs;
 
+        if (!len)
+                return -EINVAL;
+
         buf = kzalloc(len, GFP_KERNEL);
         if (!buf)
                 return -ENOMEM;