The firmware header is not part of the CRC, so skip it. Otherwise the firmware will be rejected due to non-matching CRCs.
Signed-off-by: Lars-Peter Clausen lars@metafoo.de Cc: stable@kernel.org --- drivers/firmware/sigma.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/firmware/sigma.c b/drivers/firmware/sigma.c index c780baa..36265de 100644 --- a/drivers/firmware/sigma.c +++ b/drivers/firmware/sigma.c @@ -130,7 +130,8 @@ int process_sigma_firmware(struct i2c_client *client, const char *name) if (memcmp(ssfw_head->magic, SIGMA_MAGIC, ARRAY_SIZE(ssfw_head->magic))) goto done;
- crc = crc32(0, fw->data, fw->size); + crc = crc32(0, fw->data + sizeof(*ssfw_head), + fw->size - sizeof(*ssfw_head)); pr_debug("%s: crc=%x\n", __func__, crc); if (crc != ssfw_head->crc) goto done;