Messages in this thread Patch in this message | | | From | Lars-Peter Clausen <> | Subject | [PATCH v2 2/7] firmware: Sigma: Skip header during CRC generation | Date | Mon, 28 Nov 2011 09:44:15 +0100 |
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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; -- 1.7.7.3
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