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-rw-r--r--net/mac80211/rx.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index d44c87269bcb..535407d07fa4 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -340,11 +340,15 @@ static u32 ieee80211_rx_load_stats(struct ieee80211_local *local,
340 return load; 340 return load;
341} 341}
342 342
343#ifdef CONFIG_MAC80211_DEBUG_PACKET_ALIGNMENT
343static ieee80211_txrx_result 344static ieee80211_txrx_result
344ieee80211_rx_h_verify_ip_alignment(struct ieee80211_txrx_data *rx) 345ieee80211_rx_h_verify_ip_alignment(struct ieee80211_txrx_data *rx)
345{ 346{
346 int hdrlen; 347 int hdrlen;
347 348
349 if (!WLAN_FC_DATA_PRESENT(rx->fc))
350 return TXRX_CONTINUE;
351
348 /* 352 /*
349 * Drivers are required to align the payload data in a way that 353 * Drivers are required to align the payload data in a way that
350 * guarantees that the contained IP header is aligned to a four- 354 * guarantees that the contained IP header is aligned to a four-
@@ -371,11 +375,14 @@ ieee80211_rx_h_verify_ip_alignment(struct ieee80211_txrx_data *rx)
371 375
372 return TXRX_CONTINUE; 376 return TXRX_CONTINUE;
373} 377}
378#endif
374 379
375ieee80211_rx_handler ieee80211_rx_pre_handlers[] = 380ieee80211_rx_handler ieee80211_rx_pre_handlers[] =
376{ 381{
377 ieee80211_rx_h_parse_qos, 382 ieee80211_rx_h_parse_qos,
383#ifdef CONFIG_MAC80211_DEBUG_PACKET_ALIGNMENT
378 ieee80211_rx_h_verify_ip_alignment, 384 ieee80211_rx_h_verify_ip_alignment,
385#endif
379 NULL 386 NULL
380}; 387};
381 388