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 08:52:39 -0800 |
| commit | cd319e4350715b72939eec5c526ab60bd02b5229 (patch) | |
| tree | 327a4eb22e7bbd8726d59735860755c8e349e282 /drivers | |
| parent | f18cc6ba85619dfee8ed4a9564ae8c0fcb874cbe (diff) | |
| download | lwn-cd319e4350715b72939eec5c526ab60bd02b5229.tar.gz lwn-cd319e4350715b72939eec5c526ab60bd02b5229.zip | |
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')
| -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; |