forked from Minki/linux
ASoC: sigmadsp: Refuse to load firmware files with a non-supported version
Make sure to check the version field of the firmware header to make sure to not accidentally try to parse a firmware file with a different layout. Trying to do so can result in loading invalid firmware code to the device. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@kernel.org> Cc: stable@vger.kernel.org
This commit is contained in:
parent
f114040e3e
commit
50c0f21b42
@ -159,6 +159,13 @@ int _process_sigma_firmware(struct device *dev,
|
||||
goto done;
|
||||
}
|
||||
|
||||
if (ssfw_head->version != 1) {
|
||||
dev_err(dev,
|
||||
"Failed to load firmware: Invalid version %d. Supported firmware versions: 1\n",
|
||||
ssfw_head->version);
|
||||
goto done;
|
||||
}
|
||||
|
||||
crc = crc32(0, fw->data + sizeof(*ssfw_head),
|
||||
fw->size - sizeof(*ssfw_head));
|
||||
pr_debug("%s: crc=%x\n", __func__, crc);
|
||||
|
Loading…
Reference in New Issue
Block a user