staging: wlan-ng: Rename 'foo' to 'rc' in p80211conv.c

Rename identifier 'foo' to 'rc' in skb_p80211_to_ether() and
skb_ether_to_p80211() to match the common kernel coding style.
Signed-off-by: Felix N. Kimbu <felixkimbu1@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/ZfEvTF7qwYZORGsY@MOLeToidSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wlan-ng/p80211conv.c

@@ -93,7 +93,7 @@ int skb_ether_to_p80211(struct wlandevice *wlandev, u32 ethconv,
 	struct wlan_ethhdr e_hdr;
 	struct wlan_llc *e_llc;
 	struct wlan_snap *e_snap;
-	int foo;
+	int rc;
 
 	memcpy(&e_hdr, skb->data, sizeof(e_hdr));
 
@@ -185,14 +185,14 @@ int skb_ether_to_p80211(struct wlandevice *wlandev, u32 ethconv,
 		p80211_wep->data = kmalloc(skb->len, GFP_ATOMIC);
 		if (!p80211_wep->data)
 			return -ENOMEM;
-		foo = wep_encrypt(wlandev, skb->data, p80211_wep->data,
-				  skb->len,
-				  wlandev->hostwep & HOSTWEP_DEFAULTKEY_MASK,
-				  p80211_wep->iv, p80211_wep->icv);
-		if (foo) {
+		rc = wep_encrypt(wlandev, skb->data, p80211_wep->data,
+				 skb->len,
+				 wlandev->hostwep & HOSTWEP_DEFAULTKEY_MASK,
+				 p80211_wep->iv, p80211_wep->icv);
+		if (rc) {
 			netdev_warn(wlandev->netdev,
 				    "Host en-WEP failed, dropping frame (%d).\n",
-				    foo);
+				    rc);
 			kfree(p80211_wep->data);
 			return 2;
 		}
@@ -265,7 +265,7 @@ int skb_p80211_to_ether(struct wlandevice *wlandev, u32 ethconv,
 	struct wlan_llc *e_llc;
 	struct wlan_snap *e_snap;
 
-	int foo;
+	int rc;
 
 	payload_length = skb->len - WLAN_HDR_A3_LEN - WLAN_CRC_LEN;
 	payload_offset = WLAN_HDR_A3_LEN;
@@ -305,15 +305,15 @@ int skb_p80211_to_ether(struct wlandevice *wlandev, u32 ethconv,
 				   "WEP frame too short (%u).\n", skb->len);
 			return 1;
 		}
-		foo = wep_decrypt(wlandev, skb->data + payload_offset + 4,
-				  payload_length - 8, -1,
-				  skb->data + payload_offset,
-				  skb->data + payload_offset +
-				  payload_length - 4);
-		if (foo) {
+		rc = wep_decrypt(wlandev, skb->data + payload_offset + 4,
+				 payload_length - 8, -1,
+				 skb->data + payload_offset,
+				 skb->data + payload_offset +
+				 payload_length - 4);
+		if (rc) {
 			/* de-wep failed, drop skb. */
 			netdev_dbg(netdev, "Host de-WEP failed, dropping frame (%d).\n",
-				   foo);
+				   rc);
 			wlandev->rx.decrypt_err++;
 			return 2;
 		}