diff options
| author | Chaoming Li <chaoming_li@realsil.com.cn> | 2011-02-28 16:40:28 -0600 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-03-01 13:48:22 -0500 |
| commit | 375ff4c7780e88bc4e0de4145099a7ed9aa57995 (patch) | |
| tree | 3dd52c6208a02cefe39dd7855d2fa14ad9dee78c /drivers/net/wireless/rtlwifi | |
| parent | 3af6334c9e4fbf41ef0ebd3b4d5762f26b675c40 (diff) | |
rtlwifi: Fix error registering rate-control
When a second module such as rtl8192ce or rtl8192cu links to rtlwifi, the attempt
to register a rate-control mechanism fails with the warning shown below. The fix is to
select the RC mechanism when rtlwifi is initialized.
WARNING: at net/mac80211/rate.c:42 ieee80211_rate_control_register+0xc9/0x100 [mac80211]()
Hardware name: HP Pavilion dv2700 Notebook PC
Modules linked in: arc4 ecb rtl8192ce rtl8192cu(+) rtl8192c_common rtlwifi snd_hda_codec_conexant amd74xx(+) ide_core sg mac80211 snd_hda_intel snd_hda_codec i2c_nforce2 snd_pcm snd_timer cfg80211 snd k8temp hwmon serio_raw joydev i2c_core soundcore snd_page_alloc rfkill forcedeth video ac battery button ext3 jbd mbcache sd_mod ohci_hcd ahci libahci libata scsi_mod ehci_hcd usbcore fan processor thermal
Pid: 2227, comm: modprobe Not tainted 2.6.38-rc6-wl+ #468
Call Trace:
[<ffffffff8104a3da>] ? warn_slowpath_common+0x7a/0xb0
[<ffffffff8104a425>] ? warn_slowpath_null+0x15/0x20
[<ffffffffa02de409>] ? ieee80211_rate_control_register+0xc9/0x100 [mac80211]
[<ffffffffa03b3790>] ? rtl_rate_control_register+0x10/0x20 [rtlwifi]
[<ffffffffa03ab9c9>] ? rtl_init_core+0x189/0x620 [rtlwifi]
[<ffffffff811cfff8>] ? __raw_spin_lock_init+0x38/0x70
[<ffffffffa03b9dea>] ? rtl_usb_probe+0x709/0x82e [rtlwifi]
[<ffffffffa002a7fd>] ? usb_match_one_id+0x3d/0xc0 [usbcore]
[<ffffffffa002aae9>] ? usb_probe_interface+0xb9/0x160 [usbcore]
[<ffffffff8126ed19>] ? driver_probe_device+0x89/0x1a0
[<ffffffff8126eed3>] ? __driver_attach+0xa3/0xb0
[<ffffffff8126ee30>] ? __driver_attach+0x0/0xb0
[<ffffffff8126dd4e>] ? bus_for_each_dev+0x5e/0x90
[<ffffffff8126e9d9>] ? driver_attach+0x19/0x20
[<ffffffff8126e5e8>] ? bus_add_driver+0x158/0x290
[<ffffffff8126f151>] ? driver_register+0x71/0x140
[<ffffffff811cfff8>] ? __raw_spin_lock_init+0x38/0x70
[<ffffffffa002a2cc>] ? usb_register_driver+0xdc/0x190 [usbcore]
[<ffffffffa0013000>] ? rtl8192cu_init+0x0/0x20 [rtl8192cu]
[<ffffffffa001301e>] ? rtl8192cu_init+0x1e/0x20 [rtl8192cu]
[<ffffffff810002cf>] ? do_one_initcall+0x3f/0x180
[<ffffffff8108fd4b>] ? sys_init_module+0xbb/0x200
[<ffffffff81002c7b>] ? system_call_fastpath+0x16/0x1b
---[ end trace 726271c07a47439e ]---
rtlwifi:rtl_init_core():<0-0> rtl: Unable to register rtl_rc,use default RC !!
ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
Signed-off-by: Chaoming Li <chaoming_li@realsil.com.cn>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rtlwifi')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/base.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c index 3f40dc2b129..bb0c781f4a1 100644 --- a/drivers/net/wireless/rtlwifi/base.c +++ b/drivers/net/wireless/rtlwifi/base.c @@ -283,13 +283,7 @@ int rtl_init_core(struct ieee80211_hw *hw) rtlmac->hw = hw; /* <2> rate control register */ - if (rtl_rate_control_register()) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, - ("rtl: Unable to register rtl_rc," - "use default RC !!\n")); - } else { - hw->rate_control_algorithm = "rtl_rc"; - } + hw->rate_control_algorithm = "rtl_rc"; /* * <3> init CRDA must come after init @@ -325,8 +319,6 @@ int rtl_init_core(struct ieee80211_hw *hw) void rtl_deinit_core(struct ieee80211_hw *hw) { - /*RC*/ - rtl_rate_control_unregister(); } void rtl_init_rx_config(struct ieee80211_hw *hw) @@ -945,11 +937,16 @@ MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core"); static int __init rtl_core_module_init(void) { + if (rtl_rate_control_register()) + printk(KERN_ERR "rtlwifi: Unable to register rtl_rc," + "use default RC !!\n"); return 0; } static void __exit rtl_core_module_exit(void) { + /*RC*/ + rtl_rate_control_unregister(); } module_init(rtl_core_module_init); |