staging: slicoss: release firmware before returning

we request_firmware in slic_card_download_gbrcv and we return out
with out calling release_firmware, where we compare against a
firmware lengths of certain device ids.
Signed-off-by: NDevendra Naga <devendra.aaru@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/slicoss/slicoss.c

@@ -528,12 +528,16 @@ static int slic_card_download_gbrcv(struct adapter *adapter)
 	index += 4;
 	switch (adapter->devid) {
 	case SLIC_2GB_DEVICE_ID:
-		if (rcvucodelen != OasisRcvUCodeLen)
+		if (rcvucodelen != OasisRcvUCodeLen) {
+			release_firmware(fw);
 			return -EINVAL;
+		}
 		break;
 	case SLIC_1GB_DEVICE_ID:
-		if (rcvucodelen != GBRcvUCodeLen)
+		if (rcvucodelen != GBRcvUCodeLen) {
+			release_firmware(fw);
 			return -EINVAL;
+		}
 		break;
 	default:
 		ASSERT(0);