[PATCH] wifi: mt76: mt7921: resource leaks at mt7921_check_offload_capability()

sean.wang at mediatek.com sean.wang at mediatek.com
Thu Dec 8 15:01:57 PST 2022


From: Sean Wang <sean.wang at mediatek.com>

Fixed coverity issue with resource leaks at variable "fw" going out of
scope leaks the storage it points to mt7921_check_offload_capability().

Reported-by: coverity-bot <keescook+coverity-bot at chromium.org>
Addresses-Coverity-ID: 1527806 ("Resource leaks")
Fixes: 034ae28b56f1 ("wifi: mt76: mt7921: introduce remain_on_channel support")
Signed-off-by: Sean Wang <sean.wang at mediatek.com>
---
 drivers/net/wireless/mediatek/mt76/mt7921/init.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
index 542dfd425129..d4b681d7e1d2 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
@@ -175,7 +175,7 @@ u8 mt7921_check_offload_capability(struct device *dev, const char *fw_wm)
 
 	if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
 		dev_err(dev, "Invalid firmware\n");
-		return -EINVAL;
+		goto out;
 	}
 
 	data = fw->data;
@@ -206,6 +206,7 @@ u8 mt7921_check_offload_capability(struct device *dev, const char *fw_wm)
 		data += le16_to_cpu(rel_info->len) + rel_info->pad_len;
 	}
 
+out:
 	release_firmware(fw);
 
 	return features ? features->data : 0;
-- 
2.25.1




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