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path: root/drivers/net/ethernet/intel/i40evf/i40e_common.c
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Diffstat (limited to 'drivers/net/ethernet/intel/i40evf/i40e_common.c')
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40e_common.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_common.c b/drivers/net/ethernet/intel/i40evf/i40e_common.c
index 4ea90bf239bb..952560551964 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_common.c
+++ b/drivers/net/ethernet/intel/i40evf/i40e_common.c
@@ -75,13 +75,15 @@ i40e_status i40e_set_mac_type(struct i40e_hw *hw)
* @mask: debug mask
* @desc: pointer to admin queue descriptor
* @buffer: pointer to command buffer
+ * @buf_len: max length of buffer
*
* Dumps debug log about adminq command with descriptor contents.
**/
void i40evf_debug_aq(struct i40e_hw *hw, enum i40e_debug_mask mask, void *desc,
- void *buffer)
+ void *buffer, u16 buf_len)
{
struct i40e_aq_desc *aq_desc = (struct i40e_aq_desc *)desc;
+ u16 len = le16_to_cpu(aq_desc->datalen);
u8 *aq_buffer = (u8 *)buffer;
u32 data[4];
u32 i = 0;
@@ -105,7 +107,9 @@ void i40evf_debug_aq(struct i40e_hw *hw, enum i40e_debug_mask mask, void *desc,
if ((buffer != NULL) && (aq_desc->datalen != 0)) {
memset(data, 0, sizeof(data));
i40e_debug(hw, mask, "AQ CMD Buffer:\n");
- for (i = 0; i < le16_to_cpu(aq_desc->datalen); i++) {
+ if (buf_len < len)
+ len = buf_len;
+ for (i = 0; i < len; i++) {
data[((i % 16) / 4)] |=
((u32)aq_buffer[i]) << (8 * (i % 4));
if ((i % 16) == 15) {