diff options
| -rw-r--r-- | drivers/nvmem/core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index fd09f1a6917f..fff85bbf0ecd 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -1793,6 +1793,8 @@ static int __nvmem_cell_entry_write(struct nvmem_cell_entry *cell, void *buf, si return -EINVAL; if (cell->bit_offset || cell->nbits) { + if (len != BITS_TO_BYTES(cell->nbits) && len != cell->bytes) + return -EINVAL; buf = nvmem_cell_prepare_write_buffer(cell, buf, len); if (IS_ERR(buf)) return PTR_ERR(buf); |