summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/zd1211rw/zd_mac.c
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2012-02-28 16:39:56 +0400
committerArnd Bergmann <arnd@arndb.de>2012-02-28 16:40:01 +0400
commit4d8cfec692e988b844dcaeaeb76b5780b7ef9d28 (patch)
tree67d43adab2afd18a74d08f347e3676ae1a64193f /drivers/net/wireless/zd1211rw/zd_mac.c
parenta3a3c4664184f86ef964323d106c62158e2b3f25 (diff)
parent1d8c38c3d1b48eeb9cfaa42a8be13a1423569eb2 (diff)
downloadlinux-4d8cfec692e988b844dcaeaeb76b5780b7ef9d28.tar.xz
Merge branch 'cleanup-3.4' of git://github.com/hzhuang1/linux into next/cleanup
* 'cleanup-3.4' of git://github.com/hzhuang1/linux: (2 commits) rtc: sa1100: remove verification code of alarm rtc: sa1100: remove periodic code (update to v3.3-rc5)
Diffstat (limited to 'drivers/net/wireless/zd1211rw/zd_mac.c')
-rw-r--r--drivers/net/wireless/zd1211rw/zd_mac.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index 0a70149df3fc..98a574a4a465 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -866,6 +866,14 @@ static int fill_ctrlset(struct zd_mac *mac,
ZD_ASSERT(frag_len <= 0xffff);
+ /*
+ * Firmware computes the duration itself (for all frames except PSPoll)
+ * and needs the field set to 0 at input, otherwise firmware messes up
+ * duration_id and sets bits 14 and 15 on.
+ */
+ if (!ieee80211_is_pspoll(hdr->frame_control))
+ hdr->duration_id = 0;
+
txrate = ieee80211_get_tx_rate(mac->hw, info);
cs->modulation = txrate->hw_value;