mlx4: avoid init errors when kernel modules are not loaded

[dpdk.git] / lib / librte_pmd_i40e / i40e / i40e_common.c

diff --git a/lib/librte_pmd_i40e/i40e/i40e_common.c b/lib/librte_pmd_i40e/i40e/i40e_common.c
index ffd68a5..ffaa777 100644 (file)
--- a/lib/librte_pmd_i40e/i40e/i40e_common.c
+++ b/lib/librte_pmd_i40e/i40e/i40e_common.c
@@ -89,13 +89,15 @@ STATIC enum i40e_status_code 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 i40e_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;
@@ -119,7 +121,9 @@ void i40e_debug_aq(struct i40e_hw *hw, enum i40e_debug_mask mask, void *desc,
        if ((buffer != NULL) && (aq_desc->datalen != 0)) {
                i40e_memset(data, 0, sizeof(data), I40E_NONDMA_MEM);
                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) {