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path: root/drivers/net/wireless/intel/iwlegacy/3945-rs.c
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2020-04-29mac80211: populate debugfs only after cfg80211 initJohannes Berg
commit 6cb5f3ea4654faf8c28b901266e960b1a4787b26 upstream. When fixing the initialization race, we neglected to account for the fact that debugfs is initialized in wiphy_register(), and some debugfs things went missing (or rather were rerooted to the global debugfs root). Fix this by adding debugfs entries only after wiphy_register(). This requires some changes in the rate control code since it currently adds debugfs at alloc time, which can no longer be done after the reordering. Reported-by: Jouni Malinen <j@w1.fi> Reported-by: kernel test robot <rong.a.chen@intel.com> Reported-by: Hauke Mehrtens <hauke@hauke-m.de> Reported-by: Felix Fietkau <nbd@nbd.name> Cc: stable@vger.kernel.org Fixes: 52e04b4ce5d0 ("mac80211: fix race in ieee80211_register_hw()") Signed-off-by: Johannes Berg <johannes.berg@intel.com> Acked-by: Sumit Garg <sumit.garg@linaro.org> Link: https://lore.kernel.org/r/20200423111344.0e00d3346f12.Iadc76a03a55093d94391fc672e996a458702875d@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-26Merge tag 'wireless-drivers-next-for-davem-2019-06-26' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next Kalle Valu says: ==================== wireless-drivers-next patches for 5.3 First set of patches for 5.3, but not that many patches this time. This pull request fails to compile with the tip tree due to ktime_get_boot_ns() API changes there. It should be easy for Linus to fix it in p54 driver once he pulls this, an example resolution here: https://lkml.kernel.org/r/20190625160432.533aa140@canb.auug.org.au Major changes: airo * switch to use skcipher interface p54 * support boottime in scan results rtw88 * add fast xmit support * add random mac address on scan support rt2x00 * add software watchdog to detect hangs, it's disabled by default ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-25iwlegacy: 3945: no need to check return value of debugfs_create functionsGreg Kroah-Hartman
When calling debugfs functions, there is no need to ever check the return value. This driver was saving the debugfs file away to be removed at a later time. However, the 80211 core would delete the whole directory that the debugfs files are created in, after it asks the driver to do the deletion, so just rely on the 80211 core to do all of the cleanup for us, making us not need to keep a pointer to the dentries around at all. This cleans up the structure of the driver data a bit and makes the code a tiny bit smaller. Cc: Stanislaw Gruszka <sgruszka@redhat.com> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-06-17Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
Honestly all the conflicts were simple overlapping changes, nothing really interesting to report. Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-14mac80211: call rate_control_send_low() internallyJohannes Berg
There's no rate control algorithm that *doesn't* want to call it internally, and calling it internally will let us modify its behaviour in the future. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-06-05treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 270Thomas Gleixner
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of version 2 of the gnu general public license as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 51 franklin street fifth floor boston ma 02110 usa the full gnu general public license is included in this distribution in the file called license extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 9 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141334.333998390@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-06iwlegacy: fix small typoYangtao Li
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-10-27iwlegacy: Convert timers to use timer_setup()Kees Cook
In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Cc: Kalle Valo <kvalo@codeaurora.org> Cc: Stanislaw Gruszka <sgruszka@redhat.com> Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-03-07iwlegacy: remove usage of txrc->max_rate_idxJohannes Berg
Just calculate it like mac80211 does today, so we can get rid of the calculation in mac80211 for everyone else. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-04-12cfg80211: remove enum ieee80211_bandJohannes Berg
This enum is already perfectly aliased to enum nl80211_band, and the only reason for it is that we get IEEE80211_NUM_BANDS out of it. There's no really good reason to not declare the number of bands in nl80211 though, so do that and remove the cfg80211 one. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-11-18iwlegacy: move under intel directoryKalle Valo
Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>