[GitHub] [incubator-nuttx] anchao commented on a diff in pull request #6524: wireless/bcm43xxx: handle sdpcm data only if rx sframe is available

[GitBox]

anchao commented on code in PR #6524:
URL: https://github.com/apache/incubator-nuttx/pull/6524#discussion_r906824994


##########
drivers/wireless/ieee80211/bcm43xxx/bcmf_sdpcm.c:
##########
@@ -141,102 +141,75 @@ int bcmf_sdpcm_readframe(FAR struct bcmf_dev_s *priv)
   uint16_t len;
   uint16_t checksum;
   struct bcmf_sdpcm_header *header;
-  struct bcmf_sdpcm_header tmp_hdr;
   struct bcmf_sdio_frame *sframe;
   FAR struct bcmf_sdio_dev_s *sbus = (FAR struct bcmf_sdio_dev_s *)priv->bus;
 
+  /* Request free frame buffer */
+
+  sframe = bcmf_sdio_allocate_frame(priv, false, false);
+  if (sframe == NULL)
+    {
+      return -ENOMEM;
+    }
+
+  header = (struct bcmf_sdpcm_header *)sframe->data;
+
   /* Read the first 4 bytes of sdpcm header
    * to get the length of the following data to be read
    */
 
   ret = bcmf_transfer_bytes(sbus, false, 2, 0,
-                            (uint8_t *)&tmp_hdr,
+                            (uint8_t *)header,
                             FIRST_WORD_SIZE);
   if (ret != OK)
     {
       wlinfo("Failed to read size\n");
-      bcmf_sdpcm_rxfail(sbus, false);
-      return -EIO;
+      ret = -EIO;

Review Comment:
   I do not change the error code



##########
drivers/wireless/ieee80211/bcm43xxx/bcmf_sdpcm.c:
##########
@@ -410,7 +381,6 @@ int bcmf_sdpcm_sendframe(FAR struct bcmf_dev_s *priv)
 
           bcmf_netdev_notify_tx(priv);
         }
-

Review Comment:
   Done



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