diff options
Diffstat (limited to 'drivers/base/regmap/regmap.c')
| -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 4cf59e10d01b..0caa5690c560 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -1298,6 +1298,9 @@ static void regmap_field_init(struct regmap_field *rm_field, rm_field->reg = reg_field.reg; rm_field->shift = reg_field.lsb; rm_field->mask = GENMASK(reg_field.msb, reg_field.lsb); + + WARN_ONCE(rm_field->mask == 0, "invalid empty mask defined\n"); + rm_field->id_size = reg_field.id_size; rm_field->id_offset = reg_field.id_offset; } |