X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=sound%2Fsoc%2Fcodecs%2Fsigmadsp.c;h=bb3878c9625fcb0bb7e2ead98ffc6d89e2580a13;hb=05b29f94a4ab4f37071025b0c235516c2616bce6;hp=4068f24912322b5e53f7ad90f5e4d562b5360cef;hpb=5439ca6b8ff8cf8d758c19eb28b617a5912904ee;p=firefly-linux-kernel-4.4.55.git

diff --git a/sound/soc/codecs/sigmadsp.c b/sound/soc/codecs/sigmadsp.c
index 4068f2491232..bb3878c9625f 100644
--- a/sound/soc/codecs/sigmadsp.c
+++ b/sound/soc/codecs/sigmadsp.c
@@ -176,6 +176,13 @@ static 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);