diff options
Diffstat (limited to 'drivers/core/regmap.c')
| -rw-r--r-- | drivers/core/regmap.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/core/regmap.c b/drivers/core/regmap.c index 5f98f85cfc..5ccbf9abb8 100644 --- a/drivers/core/regmap.c +++ b/drivers/core/regmap.c @@ -399,7 +399,7 @@ int regmap_raw_read_range(struct regmap *map, uint range_num, uint offset, range = &map->ranges[range_num]; offset <<= map->reg_offset_shift; - if (offset + val_len > range->size) { + if (offset + val_len > range->size || offset + val_len < offset) { debug("%s: offset/size combination invalid\n", __func__); return -ERANGE; } @@ -538,7 +538,7 @@ int regmap_raw_write_range(struct regmap *map, uint range_num, uint offset, range = &map->ranges[range_num]; offset <<= map->reg_offset_shift; - if (offset + val_len > range->size) { + if (offset + val_len > range->size || offset + val_len < offset) { debug("%s: offset/size combination invalid\n", __func__); return -ERANGE; } |