From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Tue, 2 Jul 2019 09:24:51 +0000 (+0200)
Subject: mt76: mt7615: always release sem in mt7615_load_patch
X-Git-Tag: v5.4-rc1~131^2~61^2~9^2~56
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2fc446487c364bf8bbd5f8f5f27e52d914fa1d72;p=platform%2Fkernel%2Flinux-rpi.git

mt76: mt7615: always release sem in mt7615_load_patch

Release patch semaphore even if request_firmware fails in
mt7615_load_patch

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index de371bd2e0b9..00f395dc75a6 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -314,9 +314,9 @@ static int mt7615_driver_own(struct mt7615_dev *dev)
 
 static int mt7615_load_patch(struct mt7615_dev *dev)
 {
-	const struct firmware *fw;
-	const struct mt7615_patch_hdr *hdr;
 	const char *firmware = MT7615_ROM_PATCH;
+	const struct mt7615_patch_hdr *hdr;
+	const struct firmware *fw = NULL;
 	int len, ret, sem;
 
 	sem = mt7615_mcu_patch_sem_ctrl(dev, 1);
@@ -332,7 +332,7 @@ static int mt7615_load_patch(struct mt7615_dev *dev)
 
 	ret = request_firmware(&fw, firmware, dev->mt76.dev);
 	if (ret)
-		return ret;
+		goto out;
 
 	if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
 		dev_err(dev->mt76.dev, "Invalid firmware\n");