Commit 530fd82a authored Nov 02, 2015 by Alexander Duyck Committed by Jeff Kirsher Dec 12, 2015

ixgbe: Return error on failure to allocate mac_table

Add a check to make certain mac_table was actually allocated and is not
NULL. If it is NULL return -ENOMEM and allow the probe routine to fail
rather then causing a NULL pointer dereference further down the line.

Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

parent 9ad321b0

drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -5381,6 +5381,8 @@ 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) {