From: Larry Finger Date: Fri, 26 Sep 2014 21:40:28 +0000 (-0500) Subject: rtlwifi: rtl8188ee: rtl8723ae: rtl8821ae: Initialize some variables X-Git-Tag: v3.18-rc1~115^2~39^2~37 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=ef09396ef622572c604d4977e76f6151ef68ed21;p=linux.git rtlwifi: rtl8188ee: rtl8723ae: rtl8821ae: Initialize some variables In a number of places, kmalloc or valloc were used to acquire memory. To ensure that these locations are correctly initialized, the calls were changed to kzalloc and vzalloc. The change fixes a problem that was causing HT operations to be cancelled. Signed-off-by: Larry Finger Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/rtlwifi/efuse.c b/drivers/net/wireless/rtlwifi/efuse.c index 118293b631cd..0b4082c9272a 100644 --- a/drivers/net/wireless/rtlwifi/efuse.c +++ b/drivers/net/wireless/rtlwifi/efuse.c @@ -251,7 +251,7 @@ void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf) } /* allocate memory for efuse_tbl and efuse_word */ - efuse_tbl = kmalloc(rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE] * + efuse_tbl = kzalloc(rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE] * sizeof(u8), GFP_ATOMIC); if (!efuse_tbl) return; @@ -259,7 +259,7 @@ void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf) if (!efuse_word) goto out; for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) { - efuse_word[i] = kmalloc(efuse_max_section * sizeof(u16), + efuse_word[i] = kzalloc(efuse_max_section * sizeof(u16), GFP_ATOMIC); if (!efuse_word[i]) goto done; diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c index 1dbb22b537ef..667aba81246c 100644 --- a/drivers/net/wireless/rtlwifi/pci.c +++ b/drivers/net/wireless/rtlwifi/pci.c @@ -2243,16 +2243,6 @@ int rtl_pci_probe(struct pci_dev *pdev, /*like read eeprom and so on */ rtlpriv->cfg->ops->read_eeprom_info(hw); - if (rtlpriv->cfg->ops->init_sw_vars(hw)) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Can't init_sw_vars\n"); - err = -ENODEV; - goto fail3; - } - rtlpriv->cfg->ops->init_sw_leds(hw); - - /*aspm */ - rtl_pci_init_aspm(hw); - /* Init mac80211 sw */ err = rtl_init_core(hw); if (err) { @@ -2268,6 +2258,16 @@ int rtl_pci_probe(struct pci_dev *pdev, goto fail3; } + if (rtlpriv->cfg->ops->init_sw_vars(hw)) { + RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Can't init_sw_vars\n"); + err = -ENODEV; + goto fail3; + } + rtlpriv->cfg->ops->init_sw_leds(hw); + + /*aspm */ + rtl_pci_init_aspm(hw); + err = ieee80211_register_hw(hw); if (err) { RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, diff --git a/drivers/net/wireless/rtlwifi/rtl8188ee/sw.c b/drivers/net/wireless/rtlwifi/rtl8188ee/sw.c index ab7dbfb2623f..11344121c55e 100644 --- a/drivers/net/wireless/rtlwifi/rtl8188ee/sw.c +++ b/drivers/net/wireless/rtlwifi/rtl8188ee/sw.c @@ -159,7 +159,7 @@ int rtl88e_init_sw_vars(struct ieee80211_hw *hw) rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE; /* for firmware buf */ - rtlpriv->rtlhal.pfirmware = vmalloc(0x8000); + rtlpriv->rtlhal.pfirmware = vzalloc(0x8000); if (!rtlpriv->rtlhal.pfirmware) { RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Can't alloc buffer for fw.\n"); diff --git a/drivers/net/wireless/rtlwifi/rtl8723ae/hal_btc.c b/drivers/net/wireless/rtlwifi/rtl8723ae/hal_btc.c index 747958abd256..00a0531cc5f4 100644 --- a/drivers/net/wireless/rtlwifi/rtl8723ae/hal_btc.c +++ b/drivers/net/wireless/rtlwifi/rtl8723ae/hal_btc.c @@ -1735,7 +1735,7 @@ void rtl_8723e_c2h_command_handle(struct ieee80211_hw *hw) rtl_write_byte(rtlpriv, 0x1AF, 0x00); return; } - ptmp_buf = kmalloc(c2h_event.cmd_len, GFP_KERNEL); + ptmp_buf = kzalloc(c2h_event.cmd_len, GFP_KERNEL); if (ptmp_buf == NULL) { RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE, "malloc cmd buf failed\n"); diff --git a/drivers/net/wireless/rtlwifi/rtl8723ae/sw.c b/drivers/net/wireless/rtlwifi/rtl8723ae/sw.c index d8f8cc49a430..8280bab43df4 100644 --- a/drivers/net/wireless/rtlwifi/rtl8723ae/sw.c +++ b/drivers/net/wireless/rtlwifi/rtl8723ae/sw.c @@ -164,7 +164,7 @@ int rtl8723e_init_sw_vars(struct ieee80211_hw *hw) rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE; /* for firmware buf */ - rtlpriv->rtlhal.pfirmware = vmalloc(0x6000); + rtlpriv->rtlhal.pfirmware = vzalloc(0x6000); if (!rtlpriv->rtlhal.pfirmware) { RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Can't alloc buffer for fw.\n"); diff --git a/drivers/net/wireless/rtlwifi/rtl8821ae/sw.c b/drivers/net/wireless/rtlwifi/rtl8821ae/sw.c index 3cf7557b7786..fc92dd6a0d07 100644 --- a/drivers/net/wireless/rtlwifi/rtl8821ae/sw.c +++ b/drivers/net/wireless/rtlwifi/rtl8821ae/sw.c @@ -95,7 +95,7 @@ static void load_wowlan_fw(struct rtl_priv *rtlpriv) int err; /* for wowlan firmware buf */ - rtlpriv->rtlhal.wowlan_firmware = vmalloc(0x8000); + rtlpriv->rtlhal.wowlan_firmware = vzalloc(0x8000); if (!rtlpriv->rtlhal.wowlan_firmware) { RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Can't alloc buffer for wowlan fw.\n"); diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index 0398d3ea15b0..10cf69c4bc42 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -75,11 +75,11 @@ static int _usbctrl_vendorreq_async_write(struct usb_device *udev, u8 request, pipe = usb_sndctrlpipe(udev, 0); /* write_out */ reqtype = REALTEK_USB_VENQT_WRITE; - dr = kmalloc(sizeof(*dr), GFP_ATOMIC); + dr = kzalloc(sizeof(*dr), GFP_ATOMIC); if (!dr) return -ENOMEM; - databuf = kmalloc(databuf_maxlen, GFP_ATOMIC); + databuf = kzalloc(databuf_maxlen, GFP_ATOMIC); if (!databuf) { kfree(dr); return -ENOMEM;