From 60ce314d1750fef843e9db70050e09e49f838b69 Mon Sep 17 00:00:00 2001 From: Larry Finger Date: Wed, 18 Sep 2013 21:21:35 -0500 Subject: rtlwifi: Align private space in rtl_priv struct The private array at the end of the rtl_priv struct is not aligned. On ARM architecture, this causes an alignment trap and is fixed by aligning that array with __align(sizeof(void *)). That should properly align that space according to the requirements of all architectures. Reported-by: Jason Andrews Tested-by: Jason Andrews Signed-off-by: Larry Finger Cc: Stable Signed-off-by: John W. Linville --- drivers/net/wireless/rtlwifi/wifi.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/wireless/rtlwifi') diff --git a/drivers/net/wireless/rtlwifi/wifi.h b/drivers/net/wireless/rtlwifi/wifi.h index cc03e7c87cbe..703258742d28 100644 --- a/drivers/net/wireless/rtlwifi/wifi.h +++ b/drivers/net/wireless/rtlwifi/wifi.h @@ -2057,7 +2057,7 @@ struct rtl_priv { that it points to the data allocated beyond this structure like: rtl_pci_priv or rtl_usb_priv */ - u8 priv[0]; + u8 priv[0] __aligned(sizeof(void *)); }; #define rtl_priv(hw) (((struct rtl_priv *)(hw)->priv)) -- cgit v1.2.1 From 9473ca6e920a3b9ca902753ce52833657f9221cc Mon Sep 17 00:00:00 2001 From: Mark Cave-Ayland Date: Tue, 8 Oct 2013 10:18:20 -0500 Subject: 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 Signed-off-by: Larry Finger Cc: Stable [2.6.39+] Signed-off-by: John W. Linville --- drivers/net/wireless/rtlwifi/rtl8192cu/trx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/net/wireless/rtlwifi') 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); } -- cgit v1.2.1