2012-12-07 10:42:00

by Chaitanya

[permalink] [raw]
Subject: [PATCH] mac80211: Checking for zero Len subframe's only when driver supports the reporting of zero len subframes.



Zero Len subframe makes sense only when driver supports the reporting
of zero len subframes.(to handle buggy drivers)

Signed-off-by: T Krushna Chaitanya <[email protected]>
---
net/mac80211/rx.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index db343fa..654c22f 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -281,10 +281,11 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
cpu_to_le32(1 << IEEE80211_RADIOTAP_AMPDU_STATUS);
put_unaligned_le32(status->ampdu_reference, pos);
pos += 4;
- if (status->flag & RX_FLAG_AMPDU_REPORT_ZEROLEN)
+ if (status->flag & RX_FLAG_AMPDU_REPORT_ZEROLEN) {
flags |= IEEE80211_RADIOTAP_AMPDU_REPORT_ZEROLEN;
- if (status->flag & RX_FLAG_AMPDU_IS_ZEROLEN)
- flags |= IEEE80211_RADIOTAP_AMPDU_IS_ZEROLEN;
+ if (status->flag & RX_FLAG_AMPDU_IS_ZEROLEN)
+ flags |= IEEE80211_RADIOTAP_AMPDU_IS_ZEROLEN;
+ }
if (status->flag & RX_FLAG_AMPDU_LAST_KNOWN)
flags |= IEEE80211_RADIOTAP_AMPDU_LAST_KNOWN;
if (status->flag & RX_FLAG_AMPDU_IS_LAST)