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-rw-r--r--package/kernel/mac80211/patches/315-ath9k-Fix-address-management.patch65
1 files changed, 65 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/315-ath9k-Fix-address-management.patch b/package/kernel/mac80211/patches/315-ath9k-Fix-address-management.patch
new file mode 100644
index 0000000..a407861
--- /dev/null
+++ b/package/kernel/mac80211/patches/315-ath9k-Fix-address-management.patch
@@ -0,0 +1,65 @@
+From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
+Date: Fri, 17 Oct 2014 07:40:20 +0530
+Subject: [PATCH] ath9k: Fix address management
+
+Since both the arguments need to satisfy
+the alignment requirements of ether_addr_copy(),
+use memcpy() in cases where there will be no
+big performance benefit and make sure that
+ether_addr_copy() calls use properly aligned
+arguments.
+
+Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
+---
+
+--- a/drivers/net/wireless/ath/ath.h
++++ b/drivers/net/wireless/ath/ath.h
+@@ -147,7 +147,7 @@ struct ath_common {
+ u16 cachelsz;
+ u16 curaid;
+ u8 macaddr[ETH_ALEN];
+- u8 curbssid[ETH_ALEN];
++ u8 curbssid[ETH_ALEN] __aligned(2);
+ u8 bssidmask[ETH_ALEN];
+
+ u32 rx_bufsize;
+--- a/drivers/net/wireless/ath/ath9k/ath9k.h
++++ b/drivers/net/wireless/ath/ath9k/ath9k.h
+@@ -595,7 +595,7 @@ struct ath_vif {
+ u16 seq_no;
+
+ /* BSS info */
+- u8 bssid[ETH_ALEN];
++ u8 bssid[ETH_ALEN] __aligned(2);
+ u16 aid;
+ bool assoc;
+
+--- a/drivers/net/wireless/ath/ath9k/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -1057,7 +1057,7 @@ static void ath9k_set_offchannel_state(s
+
+ eth_zero_addr(common->curbssid);
+ eth_broadcast_addr(common->bssidmask);
+- ether_addr_copy(common->macaddr, vif->addr);
++ memcpy(common->macaddr, vif->addr, ETH_ALEN);
+ common->curaid = 0;
+ ah->opmode = vif->type;
+ ah->imask &= ~ATH9K_INT_SWBA;
+@@ -1098,7 +1098,7 @@ void ath9k_calculate_summary_state(struc
+ ath9k_calculate_iter_data(sc, ctx, &iter_data);
+
+ if (iter_data.has_hw_macaddr)
+- ether_addr_copy(common->macaddr, iter_data.hw_macaddr);
++ memcpy(common->macaddr, iter_data.hw_macaddr, ETH_ALEN);
+
+ memcpy(common->bssidmask, iter_data.mask, ETH_ALEN);
+ ath_hw_setbssidmask(common);
+@@ -1785,7 +1785,7 @@ static void ath9k_bss_info_changed(struc
+ ath_dbg(common, CONFIG, "BSSID %pM Changed ASSOC %d\n",
+ bss_conf->bssid, bss_conf->assoc);
+
+- ether_addr_copy(avp->bssid, bss_conf->bssid);
++ memcpy(avp->bssid, bss_conf->bssid, ETH_ALEN);
+ avp->aid = bss_conf->aid;
+ avp->assoc = bss_conf->assoc;
+