1 files changed, 6 insertions, 0 deletions
diff --git a/fwdl.c b/fwdl.c
index a3fb84f..99515bc 100644
--- a/fwdl.c
+++ b/fwdl.c
@@ -103,6 +103,12 @@ int mwl_fwdl_download_firmware(struct ieee80211_hw *hw)
 		if (!len)
 			break;
 
+		/* failed to read register? */
+		if (len == 0xffffffff) {
+			wiphy_err(hw->wiphy,"Failed to read len from SCRATCH2 C40\n");
+			goto err_download;
+		}
+
 		/* this copies the next chunk of fw binary to be delivered */
 		memcpy((char *)&priv->pcmd_buf[0],
 		       (fw->data + size_fw_downloaded), len);