diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2011-11-28 09:44:15 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-12-09 08:54:34 -0800 |
| commit | 2a323db413fbe17c15cd60376d012f2ee2659f8d (patch) | |
| tree | 8bc1dfa04e08d40d27991feefffd2fbc6baec78d /drivers/firmware | |
| parent | 3b958a46b7e81c432d7d6ef00ee4bd51ef2d39e2 (diff) | |
firmware: Sigma: Skip header during CRC generation
commit c56935bdc0a8edf50237d3b0205133a5b0adc604 upstream.
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>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | 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 c780baa59ed9..36265de0a9e8 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; |