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rtlwifi: rtl8192cu: Fix more pointer arithmetic errors 

commit eafbdde9c5629bea58df07275c5917eb42afbbe7 upstream.

This driver uses a number of macros to get and set various fields in the
RX and TX descriptors. To work correctly, a u8 pointer to the descriptor
must be used; however, in some cases a descriptor structure pointer is used
instead. In addition, a duplicated statement is removed.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Reported-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Larry Finger 2013-11-10 22:11:16 -06:00 committed by Greg Kroah-Hartman
parent d6843050f9
commit bfe8432132
2 changed files with 6 additions and 6 deletions
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6
drivers/net/wireless/rtlwifi/rtl8192cu/mac.c
View File

@ -778,7 +778,7 @@ static long _rtl92c_signal_scale_mapping(struct ieee80211_hw *hw,
static void _rtl92c_query_rxphystatus(struct ieee80211_hw *hw,
struct rtl_stats *pstats,
struct rx_desc_92c *pdesc,
struct rx_desc_92c *p_desc,
struct rx_fwinfo_92c *p_drvinfo,
bool packet_match_bssid,
bool packet_toself,
@ -793,11 +793,11 @@ static void _rtl92c_query_rxphystatus(struct ieee80211_hw *hw,
u32 rssi, total_rssi = 0;
bool in_powersavemode = false;
bool is_cck_rate;
u8 *pdesc = (u8 *)p_desc;
is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc);
is_cck_rate = RX_HAL_IS_CCK_RATE(p_desc);
pstats->packet_matchbssid = packet_match_bssid;
pstats->packet_toself = packet_toself;
pstats->is_cck = is_cck_rate;
pstats->packet_beacon = packet_beacon;
pstats->is_cck = is_cck_rate;
pstats->RX_SIGQ[0] = -1;

6
drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
View File

@ -303,10 +303,10 @@ out:
bool rtl92cu_rx_query_desc(struct ieee80211_hw *hw,
struct rtl_stats *stats,
struct ieee80211_rx_status *rx_status,
u8 *p_desc, struct sk_buff *skb)
u8 *pdesc, struct sk_buff *skb)
{
struct rx_fwinfo_92c *p_drvinfo;
struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
struct rx_desc_92c *p_desc = (struct rx_desc_92c *)pdesc;
u32 phystatus = GET_RX_DESC_PHY_STATUS(pdesc);
stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
@ -345,7 +345,7 @@ bool rtl92cu_rx_query_desc(struct ieee80211_hw *hw,
if (phystatus) {
p_drvinfo = (struct rx_fwinfo_92c *)(skb->data +
stats->rx_bufshift);
rtl92c_translate_rx_signal_stuff(hw, skb, stats, pdesc,
rtl92c_translate_rx_signal_stuff(hw, skb, stats, p_desc,
p_drvinfo);
}
/*rx_status->qual = stats->signal; */