diff options
| author |   Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> | 2013-10-08 10:18:20 -0500 |
|---|---|---|
| committer |   John W. Linville <linville@tuxdriver.com> | 2013-10-10 14:05:41 -0400 |
| commit | 9473ca6e920a3b9ca902753ce52833657f9221cc (patch) | |
| tree | 0af41a9f2cf0c83b9d895ac75b64fb7d19b9fb1d /drivers/net/wireless/rtlwifi/rtl8192cu/trx.c | |
| parent | Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 (diff) | |
| download | linux-dev-9473ca6e920a3b9ca902753ce52833657f9221cc.tar.xz linux-dev-9473ca6e920a3b9ca902753ce52833657f9221cc.zip | |
rtlwifi: rtl8192cu: Fix error in pointer arithmetic
An error in calculating the offset in an skb causes the driver to read
essential device info from the wrong locations. The main effect is that
automatic gain calculations are nonsense.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org> [2.6.39+]
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8192cu/trx.c')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/rtl8192cu/trx.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c index 763cf1defab5..5a060e537fbe 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c @@ -343,7 +343,8 @@ bool rtl92cu_rx_query_desc(struct ieee80211_hw *hw, (bool)GET_RX_DESC_PAGGR(pdesc)); rx_status->mactime = GET_RX_DESC_TSFL(pdesc); if (phystatus) { - p_drvinfo = (struct rx_fwinfo_92c *)(pdesc + RTL_RX_DESC_SIZE); + p_drvinfo = (struct rx_fwinfo_92c *)(skb->data + + stats->rx_bufshift); rtl92c_translate_rx_signal_stuff(hw, skb, stats, pdesc, p_drvinfo); } |