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path: root/drivers/firmware
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-rw-r--r--drivers/firmware/sigma.c3
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;