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i40e: check pointers before use
authorShannon Nelson <shannon.nelson@intel.com>
Sat, 21 Feb 2015 06:45:28 +0000 (06:45 +0000)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Thu, 26 Feb 2015 12:54:03 +0000 (04:54 -0800)
Make sure we don't try to dereference NULL pointers when returning values
from the AdminQ calls.

Change-ID: Ia6694f2f415d50acf0aba063c863568742799aff
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
drivers/net/ethernet/intel/i40e/i40e_common.c patch | blob | blame | history

diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c
index 2a705a1162275a5e51a6352d80d7380857a2676d..6aea65dae5ed654b5da2e7a8885a02a92c75710d 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_common.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_common.c
@@ -2847,7 +2847,7 @@ i40e_status i40e_aq_add_udp_tunnel(struct i40e_hw *hw,
 
        status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
 
-       if (!status)
+       if (!status && filter_index)
                *filter_index = resp->index;
 
        return status;