diff options
| -rw-r--r-- | drivers/base/regmap/regmap.c | 3 |
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; |