The patch below was submitted to be applied to the 4.8-stable tree.
I fail to see how this patch meets the stable kernel rules as found at
Documentation/stable_kernel_rules.txt.
I could be totally wrong, and if so, please respond to
<stable@xxxxxxxxxxxxxxx> and let me know why this patch should be
applied. Otherwise, it is now dropped from my patch queues, never to be
seen again.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From cf4747d7535a936105f0abe8d8109d3fe339162b Mon Sep 17 00:00:00 2001
From: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
Date: Wed, 12 Oct 2016 13:54:04 -0500
Subject: [PATCH] rtlwifi: Fix regression caused by commit d86e64768859
In commit d86e64768859 ("rtlwifi: rtl818x: constify local structures"),
the configuration struct for most of the drivers was changed to be
constant. The problem is that five of the modified drivers need to be
able to update the firmware name based on the exact model of the card.
As the file names were stored in one of the members of that struct,
these drivers would fail with a kernel BUG splat when they tried to
update the firmware name.
Rather than reverting the previous commit, I used a suggestion by
Johannes Berg and made the firmware file name pointers be local to
the routines that update the software variables.
The configuration struct of rtl8192cu, which was not touched in the
previous patch, is now constantfied.
Fixes: d86e64768859 ("rtlwifi: rtl818x: constify local structures")
Suggested-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
Signed-off-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
Cc: Stable <stable@xxxxxxxxxxxxxxx> # 4.8
Cc: Julia Lawall <Julia.Lawall@xxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
diff --git a/drivers/net/wireless/realtek/rtlwifi/core.c b/drivers/net/wireless/realtek/rtlwifi/core.c
index f95760c13c56..8e7f23c11680 100644
--- a/drivers/net/wireless/realtek/rtlwifi/core.c
+++ b/drivers/net/wireless/realtek/rtlwifi/core.c
@@ -111,7 +111,7 @@ static void rtl_fw_do_work(const struct firmware *firmware, void *context,
if (!err)
goto found_alt;
}
- pr_err("Firmware %s not available\n", rtlpriv->cfg->fw_name);
+ pr_err("Selected firmware is not available\n");
rtlpriv->max_fw_size = 0;
return;
}
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/sw.c
index e7b11b40e68d..f361808def47 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/sw.c
@@ -86,6 +86,7 @@ int rtl88e_init_sw_vars(struct ieee80211_hw *hw)
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
u8 tid;
+ char *fw_name;
rtl8188ee_bt_reg_init(hw);
rtlpriv->dm.dm_initialgain_enable = 1;
@@ -169,10 +170,10 @@ int rtl88e_init_sw_vars(struct ieee80211_hw *hw)
return 1;
}
- rtlpriv->cfg->fw_name = "rtlwifi/rtl8188efw.bin";
+ fw_name = "rtlwifi/rtl8188efw.bin";
rtlpriv->max_fw_size = 0x8000;
- pr_info("Using firmware %s\n", rtlpriv->cfg->fw_name);
- err = request_firmware_nowait(THIS_MODULE, 1, rtlpriv->cfg->fw_name,
+ pr_info("Using firmware %s\n", fw_name);
+ err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
rtlpriv->io.dev, GFP_KERNEL, hw,
rtl_fw_cb);
if (err) {
@@ -284,7 +285,6 @@ static const struct rtl_hal_cfg rtl88ee_hal_cfg = {
.bar_id = 2,
.write_readback = true,
.name = "rtl88e_pci",
- .fw_name = "rtlwifi/rtl8188efw.bin",
.ops = &rtl8188ee_hal_ops,
.mod_params = &rtl88ee_mod_params,
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/sw.c
index 87aa209ae325..8b6e37ce3f66 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/sw.c
@@ -96,6 +96,7 @@ int rtl92c_init_sw_vars(struct ieee80211_hw *hw)
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+ char *fw_name = "rtlwifi/rtl8192cfwU.bin";
rtl8192ce_bt_reg_init(hw);
@@ -167,15 +168,12 @@ int rtl92c_init_sw_vars(struct ieee80211_hw *hw)
}
/* request fw */
- if (IS_VENDOR_UMC_A_CUT(rtlhal->version) &&
- !IS_92C_SERIAL(rtlhal->version))
- rtlpriv->cfg->fw_name = "rtlwifi/rtl8192cfwU.bin";
- else if (IS_81XXC_VENDOR_UMC_B_CUT(rtlhal->version))
- rtlpriv->cfg->fw_name = "rtlwifi/rtl8192cfwU_B.bin";
+ if (IS_81XXC_VENDOR_UMC_B_CUT(rtlhal->version))
+ fw_name = "rtlwifi/rtl8192cfwU_B.bin";
rtlpriv->max_fw_size = 0x4000;
- pr_info("Using firmware %s\n", rtlpriv->cfg->fw_name);
- err = request_firmware_nowait(THIS_MODULE, 1, rtlpriv->cfg->fw_name,
+ pr_info("Using firmware %s\n", fw_name);
+ err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
rtlpriv->io.dev, GFP_KERNEL, hw,
rtl_fw_cb);
if (err) {
@@ -262,7 +260,6 @@ static const struct rtl_hal_cfg rtl92ce_hal_cfg = {
.bar_id = 2,
.write_readback = true,
.name = "rtl92c_pci",
- .fw_name = "rtlwifi/rtl8192cfw.bin",
.ops = &rtl8192ce_hal_ops,
.mod_params = &rtl92ce_mod_params,
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/sw.c
index 7c6f7f0d18c6..f953320f0e23 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/sw.c
@@ -59,6 +59,7 @@ static int rtl92cu_init_sw_vars(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
int err;
+ char *fw_name;
rtlpriv->dm.dm_initialgain_enable = true;
rtlpriv->dm.dm_flag = 0;
@@ -77,18 +78,18 @@ static int rtl92cu_init_sw_vars(struct ieee80211_hw *hw)
}
if (IS_VENDOR_UMC_A_CUT(rtlpriv->rtlhal.version) &&
!IS_92C_SERIAL(rtlpriv->rtlhal.version)) {
- rtlpriv->cfg->fw_name = "rtlwifi/rtl8192cufw_A.bin";
+ fw_name = "rtlwifi/rtl8192cufw_A.bin";
} else if (IS_81XXC_VENDOR_UMC_B_CUT(rtlpriv->rtlhal.version)) {
- rtlpriv->cfg->fw_name = "rtlwifi/rtl8192cufw_B.bin";
+ fw_name = "rtlwifi/rtl8192cufw_B.bin";
} else {
- rtlpriv->cfg->fw_name = "rtlwifi/rtl8192cufw_TMSC.bin";
+ fw_name = "rtlwifi/rtl8192cufw_TMSC.bin";
}
/* provide name of alternative file */
rtlpriv->cfg->alt_fw_name = "rtlwifi/rtl8192cufw.bin";
- pr_info("Loading firmware %s\n", rtlpriv->cfg->fw_name);
+ pr_info("Loading firmware %s\n", fw_name);
rtlpriv->max_fw_size = 0x4000;
err = request_firmware_nowait(THIS_MODULE, 1,
- rtlpriv->cfg->fw_name, rtlpriv->io.dev,
+ fw_name, rtlpriv->io.dev,
GFP_KERNEL, hw, rtl_fw_cb);
return err;
}
@@ -187,7 +188,6 @@ static struct rtl_hal_usbint_cfg rtl92cu_interface_cfg = {
static struct rtl_hal_cfg rtl92cu_hal_cfg = {
.name = "rtl92c_usb",
- .fw_name = "rtlwifi/rtl8192cufw.bin",
.ops = &rtl8192cu_hal_ops,
.mod_params = &rtl92cu_mod_params,
.usb_interface_cfg = &rtl92cu_interface_cfg,
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/sw.c
index 0538a4d09568..1ebfee18882f 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/sw.c
@@ -92,6 +92,7 @@ static int rtl92d_init_sw_vars(struct ieee80211_hw *hw)
u8 tid;
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
+ char *fw_name = "rtlwifi/rtl8192defw.bin";
rtlpriv->dm.dm_initialgain_enable = true;
rtlpriv->dm.dm_flag = 0;
@@ -181,10 +182,10 @@ static int rtl92d_init_sw_vars(struct ieee80211_hw *hw)
rtlpriv->max_fw_size = 0x8000;
pr_info("Driver for Realtek RTL8192DE WLAN interface\n");
- pr_info("Loading firmware file %s\n", rtlpriv->cfg->fw_name);
+ pr_info("Loading firmware file %s\n", fw_name);
/* request fw */
- err = request_firmware_nowait(THIS_MODULE, 1, rtlpriv->cfg->fw_name,
+ err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
rtlpriv->io.dev, GFP_KERNEL, hw,
rtl_fw_cb);
if (err) {
@@ -266,7 +267,6 @@ static const struct rtl_hal_cfg rtl92de_hal_cfg = {
.bar_id = 2,
.write_readback = true,
.name = "rtl8192de",
- .fw_name = "rtlwifi/rtl8192defw.bin",
.ops = &rtl8192de_hal_ops,
.mod_params = &rtl92de_mod_params,
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/sw.c
index ac299cbe59b0..46b605de36e7 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/sw.c
@@ -91,6 +91,7 @@ int rtl92ee_init_sw_vars(struct ieee80211_hw *hw)
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
int err = 0;
+ char *fw_name;
rtl92ee_bt_reg_init(hw);
rtlpci->msi_support = rtlpriv->cfg->mod_params->msi_support;
@@ -170,11 +171,11 @@ int rtl92ee_init_sw_vars(struct ieee80211_hw *hw)
}
/* request fw */
- rtlpriv->cfg->fw_name = "rtlwifi/rtl8192eefw.bin";
+ fw_name = "rtlwifi/rtl8192eefw.bin";
rtlpriv->max_fw_size = 0x8000;
- pr_info("Using firmware %s\n", rtlpriv->cfg->fw_name);
- err = request_firmware_nowait(THIS_MODULE, 1, rtlpriv->cfg->fw_name,
+ pr_info("Using firmware %s\n", fw_name);
+ err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
rtlpriv->io.dev, GFP_KERNEL, hw,
rtl_fw_cb);
if (err) {
@@ -266,7 +267,6 @@ static const struct rtl_hal_cfg rtl92ee_hal_cfg = {
.bar_id = 2,
.write_readback = true,
.name = "rtl92ee_pci",
- .fw_name = "rtlwifi/rtl8192eefw.bin",
.ops = &rtl8192ee_hal_ops,
.mod_params = &rtl92ee_mod_params,
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192se/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192se/sw.c
index 5e8e02d5de8a..3e1eaeac4fdc 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192se/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192se/sw.c
@@ -89,12 +89,13 @@ static void rtl92se_fw_cb(const struct firmware *firmware, void *context)
struct ieee80211_hw *hw = context;
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rt_firmware *pfirmware = NULL;
+ char *fw_name = "rtlwifi/rtl8192sefw.bin";
RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
"Firmware callback routine entered!\n");
complete(&rtlpriv->firmware_loading_complete);
if (!firmware) {
- pr_err("Firmware %s not available\n", rtlpriv->cfg->fw_name);
+ pr_err("Firmware %s not available\n", fw_name);
rtlpriv->max_fw_size = 0;
return;
}
@@ -117,6 +118,7 @@ static int rtl92s_init_sw_vars(struct ieee80211_hw *hw)
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
int err = 0;
u16 earlyrxthreshold = 7;
+ char *fw_name = "rtlwifi/rtl8192sefw.bin";
rtlpriv->dm.dm_initialgain_enable = true;
rtlpriv->dm.dm_flag = 0;
@@ -214,9 +216,9 @@ static int rtl92s_init_sw_vars(struct ieee80211_hw *hw)
rtlpriv->max_fw_size = RTL8190_MAX_FIRMWARE_CODE_SIZE*2 +
sizeof(struct fw_hdr);
pr_info("Driver for Realtek RTL8192SE/RTL8191SE\n"
- "Loading firmware %s\n", rtlpriv->cfg->fw_name);
+ "Loading firmware %s\n", fw_name);
/* request fw */
- err = request_firmware_nowait(THIS_MODULE, 1, rtlpriv->cfg->fw_name,
+ err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
rtlpriv->io.dev, GFP_KERNEL, hw,
rtl92se_fw_cb);
if (err) {
@@ -310,7 +312,6 @@ static const struct rtl_hal_cfg rtl92se_hal_cfg = {
.bar_id = 1,
.write_readback = false,
.name = "rtl92s_pci",
- .fw_name = "rtlwifi/rtl8192sefw.bin",
.ops = &rtl8192se_hal_ops,
.mod_params = &rtl92se_mod_params,
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/sw.c
index 89c828ad89f4..c51a9e8234e9 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/sw.c
@@ -94,6 +94,7 @@ int rtl8723e_init_sw_vars(struct ieee80211_hw *hw)
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
int err = 0;
+ char *fw_name = "rtlwifi/rtl8723fw.bin";
rtl8723e_bt_reg_init(hw);
@@ -176,14 +177,12 @@ int rtl8723e_init_sw_vars(struct ieee80211_hw *hw)
return 1;
}
- if (IS_VENDOR_8723_A_CUT(rtlhal->version))
- rtlpriv->cfg->fw_name = "rtlwifi/rtl8723fw.bin";
- else if (IS_81xxC_VENDOR_UMC_B_CUT(rtlhal->version))
- rtlpriv->cfg->fw_name = "rtlwifi/rtl8723fw_B.bin";
+ if (IS_81xxC_VENDOR_UMC_B_CUT(rtlhal->version))
+ fw_name = "rtlwifi/rtl8723fw_B.bin";
rtlpriv->max_fw_size = 0x6000;
- pr_info("Using firmware %s\n", rtlpriv->cfg->fw_name);
- err = request_firmware_nowait(THIS_MODULE, 1, rtlpriv->cfg->fw_name,
+ pr_info("Using firmware %s\n", fw_name);
+ err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
rtlpriv->io.dev, GFP_KERNEL, hw,
rtl_fw_cb);
if (err) {
@@ -280,7 +279,6 @@ static const struct rtl_hal_cfg rtl8723e_hal_cfg = {
.bar_id = 2,
.write_readback = true,
.name = "rtl8723e_pci",
- .fw_name = "rtlwifi/rtl8723efw.bin",
.ops = &rtl8723e_hal_ops,
.mod_params = &rtl8723e_mod_params,
.maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c
index 20b53f035483..847644d1f5f5 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c
@@ -91,6 +91,7 @@ int rtl8723be_init_sw_vars(struct ieee80211_hw *hw)
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+ char *fw_name = "rtlwifi/rtl8723befw.bin";
rtl8723be_bt_reg_init(hw);
rtlpriv->btcoexist.btc_ops = rtl_btc_get_ops_pointer();
@@ -184,8 +185,8 @@ int rtl8723be_init_sw_vars(struct ieee80211_hw *hw)
}
rtlpriv->max_fw_size = 0x8000;
- pr_info("Using firmware %s\n", rtlpriv->cfg->fw_name);
- err = request_firmware_nowait(THIS_MODULE, 1, rtlpriv->cfg->fw_name,
+ pr_info("Using firmware %s\n", fw_name);
+ err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
rtlpriv->io.dev, GFP_KERNEL, hw,
rtl_fw_cb);
if (err) {
@@ -280,7 +281,6 @@ static const struct rtl_hal_cfg rtl8723be_hal_cfg = {
.bar_id = 2,
.write_readback = true,
.name = "rtl8723be_pci",
- .fw_name = "rtlwifi/rtl8723befw.bin",
.ops = &rtl8723be_hal_ops,
.mod_params = &rtl8723be_mod_params,
.maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c
index 22f687b1f133..297938e0effd 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c
@@ -93,6 +93,7 @@ int rtl8821ae_init_sw_vars(struct ieee80211_hw *hw)
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+ char *fw_name, *wowlan_fw_name;
rtl8821ae_bt_reg_init(hw);
rtlpriv->btcoexist.btc_ops = rtl_btc_get_ops_pointer();
@@ -203,17 +204,17 @@ int rtl8821ae_init_sw_vars(struct ieee80211_hw *hw)
}
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) {
- rtlpriv->cfg->fw_name = "rtlwifi/rtl8812aefw.bin";
- rtlpriv->cfg->wowlan_fw_name = "rtlwifi/rtl8812aefw_wowlan.bin";
+ fw_name = "rtlwifi/rtl8812aefw.bin";
+ wowlan_fw_name = "rtlwifi/rtl8812aefw_wowlan.bin";
} else {
- rtlpriv->cfg->fw_name = "rtlwifi/rtl8821aefw.bin";
- rtlpriv->cfg->wowlan_fw_name = "rtlwifi/rtl8821aefw_wowlan.bin";
+ fw_name = "rtlwifi/rtl8821aefw.bin";
+ wowlan_fw_name = "rtlwifi/rtl8821aefw_wowlan.bin";
}
rtlpriv->max_fw_size = 0x8000;
/*load normal firmware*/
- pr_info("Using firmware %s\n", rtlpriv->cfg->fw_name);
- err = request_firmware_nowait(THIS_MODULE, 1, rtlpriv->cfg->fw_name,
+ pr_info("Using firmware %s\n", fw_name);
+ err = request_firmware_nowait(THIS_MODULE, 1, fw_name,
rtlpriv->io.dev, GFP_KERNEL, hw,
rtl_fw_cb);
if (err) {
@@ -222,9 +223,9 @@ int rtl8821ae_init_sw_vars(struct ieee80211_hw *hw)
return 1;
}
/*load wowlan firmware*/
- pr_info("Using firmware %s\n", rtlpriv->cfg->wowlan_fw_name);
+ pr_info("Using firmware %s\n", wowlan_fw_name);
err = request_firmware_nowait(THIS_MODULE, 1,
- rtlpriv->cfg->wowlan_fw_name,
+ wowlan_fw_name,
rtlpriv->io.dev, GFP_KERNEL, hw,
rtl_wowlan_fw_cb);
if (err) {
@@ -320,7 +321,6 @@ static const struct rtl_hal_cfg rtl8821ae_hal_cfg = {
.bar_id = 2,
.write_readback = true,
.name = "rtl8821ae_pci",
- .fw_name = "rtlwifi/rtl8821aefw.bin",
.ops = &rtl8821ae_hal_ops,
.mod_params = &rtl8821ae_mod_params,
.maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
diff --git a/drivers/net/wireless/realtek/rtlwifi/wifi.h b/drivers/net/wireless/realtek/rtlwifi/wifi.h
index 595f7d5d091a..dafe486f8448 100644
--- a/drivers/net/wireless/realtek/rtlwifi/wifi.h
+++ b/drivers/net/wireless/realtek/rtlwifi/wifi.h
@@ -2278,9 +2278,7 @@ struct rtl_hal_cfg {
u8 bar_id;
bool write_readback;
char *name;
- char *fw_name;
char *alt_fw_name;
- char *wowlan_fw_name;
struct rtl_hal_ops *ops;
struct rtl_mod_params *mod_params;
struct rtl_hal_usbint_cfg *usb_interface_cfg;
--
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