Fix possible memory leak in mt7915_rate_txpower_get routine if
mt7915_mcu_get_txpower_sku() fails.
Fixes: e3296759f347 ("wifi: mt76: mt7915: enable per bandwidth power limit support")
Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
---
drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
index fb46c2c1784f..4730508652af 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
@@ -990,14 +990,14 @@ mt7915_rate_txpower_get(struct file *file, char __user *user_buf,
char *buf;
u32 reg;
- buf = kzalloc(sz, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
ret = mt7915_mcu_get_txpower_sku(phy, txpwr, sizeof(txpwr));
if (ret)
return ret;
+ buf = kzalloc(sz, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
/* Txpower propagation path: TMAC -> TXV -> BBP */
len += scnprintf(buf + len, sz - len,
"\nPhy%d Tx power table (channel %d)\n",
--
2.39.0
