[PATCH 1/2] staging: rtl8821ae: Pass large struct by const reference

[PATCH 1/2] staging: rtl8821ae: Pass large struct by const reference

[Rasmus Villemoes]

struct rtl_stats is rather huge (152 bytes), and since
rtl8812ae_rx_command_packet_handler() does not modify it, it might as
well be passed by const reference.

Reported by Coverity: CID 1167285

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
---
 drivers/staging/rtl8821ae/pci.c          | 2 +-
 drivers/staging/rtl8821ae/rtl8821ae/sw.c | 4 ++--
 drivers/staging/rtl8821ae/wifi.h         | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/rtl8821ae/pci.c b/drivers/staging/rtl8821ae/pci.c
index e194ffe..f9847d1 100644
--- a/drivers/staging/rtl8821ae/pci.c
+++ b/drivers/staging/rtl8821ae/pci.c
@@ -861,7 +861,7 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw)
 			break;
 		}
 
-		rtlpriv->cfg->ops->rx_command_packet_handler(hw, status, skb);
+		rtlpriv->cfg->ops->rx_command_packet_handler(hw, &status, skb);
 
 		/*
 		 *NOTICE This can not be use for mac80211,
diff --git a/drivers/staging/rtl8821ae/rtl8821ae/sw.c b/drivers/staging/rtl8821ae/rtl8821ae/sw.c
index 2621275..115002f 100644
--- a/drivers/staging/rtl8821ae/rtl8821ae/sw.c
+++ b/drivers/staging/rtl8821ae/rtl8821ae/sw.c
@@ -227,14 +227,14 @@ void rtl8821ae_deinit_sw_vars(struct ieee80211_hw *hw)
 
 static u32 rtl8812ae_rx_command_packet_handler(
 	struct ieee80211_hw *hw,
-	struct rtl_stats status,
+	const struct rtl_stats *status,
 	struct sk_buff *skb
 	)
 {
 	u32 result = 0;
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 
-	switch (status.packet_report_type) {
+	switch (status->packet_report_type) {
 		case NORMAL_RX:
 			result = 0;
 			break;
diff --git a/drivers/staging/rtl8821ae/wifi.h b/drivers/staging/rtl8821ae/wifi.h
index e8250da..218cd44 100644
--- a/drivers/staging/rtl8821ae/wifi.h
+++ b/drivers/staging/rtl8821ae/wifi.h
@@ -1853,7 +1853,7 @@ struct rtl_hal_ops {
 			     u32 cmd_len, u8 *p_cmdbuffer);
 	bool (*get_btc_status)(void);
 	u32 (*rx_command_packet_handler)(struct ieee80211_hw *hw,
-					 struct rtl_stats status,
+					 const struct rtl_stats *status,
 					 struct sk_buff *skb);
 };
 
-- 
1.9.2

[PATCH 2/2] staging: rtl8192ee: Pass large struct by const reference

[Rasmus Villemoes]

struct rtl_stats is rather huge (152 bytes), and since
rtl92ee_rx_command_packet() does not modify it, it might as
well be passed by const reference.

Reported by Coverity: CID 1222131

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
---
 drivers/staging/rtl8192ee/pci.c           | 2 +-
 drivers/staging/rtl8192ee/rtl8192ee/trx.c | 4 ++--
 drivers/staging/rtl8192ee/rtl8192ee/trx.h | 2 +-
 drivers/staging/rtl8192ee/wifi.h          | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/rtl8192ee/pci.c b/drivers/staging/rtl8192ee/pci.c
index 3fe9b7b..f3abbcc 100644
--- a/drivers/staging/rtl8192ee/pci.c
+++ b/drivers/staging/rtl8192ee/pci.c
@@ -892,7 +892,7 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw)
 		}
 
 		/* handle command packet here */
-		if (rtlpriv->cfg->ops->rx_command_packet(hw, stats, skb)) {
+		if (rtlpriv->cfg->ops->rx_command_packet(hw, &stats, skb)) {
 				dev_kfree_skb_any(skb);
 				goto end;
 		}
diff --git a/drivers/staging/rtl8192ee/rtl8192ee/trx.c b/drivers/staging/rtl8192ee/rtl8192ee/trx.c
index c930f52..1190c8b 100644
--- a/drivers/staging/rtl8192ee/rtl8192ee/trx.c
+++ b/drivers/staging/rtl8192ee/rtl8192ee/trx.c
@@ -1263,13 +1263,13 @@ bool rtl92ee_is_tx_desc_closed(struct ieee80211_hw *hw, u8 hw_queue, u16 index)
 }
 
 u32 rtl92ee_rx_command_packet(struct ieee80211_hw *hw,
-			      struct rtl_stats status,
+			      const struct rtl_stats *status,
 			      struct sk_buff *skb)
 {
 	u32 result = 0;
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 
-	switch (status.packet_report_type) {
+	switch (status->packet_report_type) {
 	case NORMAL_RX:
 		result = 0;
 		break;
diff --git a/drivers/staging/rtl8192ee/rtl8192ee/trx.h b/drivers/staging/rtl8192ee/rtl8192ee/trx.h
index c2cd581..e04ee7e 100644
--- a/drivers/staging/rtl8192ee/rtl8192ee/trx.h
+++ b/drivers/staging/rtl8192ee/rtl8192ee/trx.h
@@ -872,6 +872,6 @@ void rtl92ee_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc,
 			     bool b_firstseg, bool b_lastseg,
 			     struct sk_buff *skb);
 u32 rtl92ee_rx_command_packet(struct ieee80211_hw *hw,
-			      struct rtl_stats status,
+			      const struct rtl_stats *status,
 			      struct sk_buff *skb);
 #endif
diff --git a/drivers/staging/rtl8192ee/wifi.h b/drivers/staging/rtl8192ee/wifi.h
index 96fa261..a37176a 100644
--- a/drivers/staging/rtl8192ee/wifi.h
+++ b/drivers/staging/rtl8192ee/wifi.h
@@ -1946,7 +1946,7 @@ struct rtl_hal_ops {
 			     u32 cmd_len, u8 *p_cmdbuffer);
 	bool (*get_btc_status)(void);
 	u32 (*rx_command_packet)(struct ieee80211_hw *hw,
-				 struct rtl_stats status, struct sk_buff *skb);
+				 const struct rtl_stats *status, struct sk_buff *skb);
 	void (*add_wowlan_pattern)(struct ieee80211_hw *hw,
 				   struct rtl_wow_pattern *rtl_pattern,
 				   u8 index);
-- 
1.9.2