Since kzalloc can be failed in memory pressure,
NULL derefence could be happened.
Signed-off-by: Insu Yun <wuni...@gmail.com>
---
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index aed8d02..aa5eda0 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -5331,6 +5331,8 @@ static int ixgbe_sw_init(struct ixgbe_adapter *adapter)
adapter->mac_table = kzalloc(sizeof(struct ixgbe_mac_addr) *
hw->mac.num_rar_entries,
GFP_ATOMIC);
+ if (!adapter->mac_table)
+ return -ENOMEM;
/* Set MAC specific capability flags and exceptions */
switch (hw->mac.type) {
--
1.9.1
--
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