Commit 8b25301a authored by Ryder Lee's avatar Ryder Lee Committed by Felix Fietkau
Browse files

wifi: mt76: mt7915: fix mt7915_rate_txpower_get() resource leaks 



Coverity message: variable "buf" going out of scope leaks the storage.

Reported-by: default avatarcoverity-bot <keescook+coverity-bot@chromium.org>
Addresses-Coverity-ID: 1527799 ("Resource leaks")
Fixes: e3296759 ("wifi: mt76: mt7915: enable per bandwidth power limit support")
Signed-off-by: default avatarRyder Lee <ryder.lee@mediatek.com>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent aec4cf2e

drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c

+3 −1
Original line number Diff line number Diff line
@@ -996,7 +996,7 @@ mt7915_rate_txpower_get(struct file *file, char __user *user_buf, 


	ret = mt7915_mcu_get_txpower_sku(phy, txpwr, sizeof(txpwr));

	if (ret)

		return ret;

		goto out;



	/* Txpower propagation path: TMAC -> TXV -> BBP */

	len += scnprintf(buf + len, sz - len,
@@ -1047,6 +1047,8 @@ mt7915_rate_txpower_get(struct file *file, char __user *user_buf, 
			 mt76_get_field(dev, reg, MT_WF_PHY_TPC_POWER));



	ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);



out:

	kfree(buf);

	return ret;

}