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-rw-r--r--target/linux/generic/files/drivers/net/phy/ar8216.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.c b/target/linux/generic/files/drivers/net/phy/ar8216.c
index 8fc1f4b37e..6187d523ab 100644
--- a/target/linux/generic/files/drivers/net/phy/ar8216.c
+++ b/target/linux/generic/files/drivers/net/phy/ar8216.c
@@ -425,6 +425,8 @@ ar8216_mib_fetch_port_stat(struct ar8216_priv *priv, int port, bool flush)
u64 *mib_stats;
int i;
+ WARN_ON(port >= priv->dev.ports);
+
lockdep_assert_held(&priv->mib_lock);
if (chip_is_ar8327(priv))
@@ -1710,7 +1712,7 @@ ar8xxx_mib_work_func(struct work_struct *work)
next_port:
priv->mib_next_port++;
- if (priv->mib_next_port > priv->dev.ports)
+ if (priv->mib_next_port >= priv->dev.ports)
priv->mib_next_port = 0;
mutex_unlock(&priv->mib_lock);