There are a couple of warnings in this driver when building with W=1:
drivers/net/wireless/intel/iwlegacy/common.c: In function 'il_power_set_mode':
drivers/net/wireless/intel/iwlegacy/common.c:1195:60: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body]
1195 | il->chain_noise_data.state);
| ^
drivers/net/wireless/intel/iwlegacy/common.c: In function 'il_do_scan_abort':
drivers/net/wireless/intel/iwlegacy/common.c:1343:57: error: suggest braces around empty body in an 'else' statement [-Werror=empty-body]
Change the empty debug macros to no_printk(), which avoids the
warnings and adds useful format string checks.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210322104343.948660-3-arnd@kernel.org
Almost all of the headers in this file fail to reach the standards
required by kernel-doc and no "kernel-doc::" references are made to it
from the kernel's Documentation.
Fixes the following W=1 kernel build warning(s):
drivers/net/wireless/intel/iwlegacy/common.c: In function ‘il_enqueue_hcmd’:
drivers/net/wireless/intel/iwlegacy/common.c:3126:6: warning: variable ‘len’ set but not used [-Wunused-but-set-variable]
drivers/net/wireless/intel/iwlegacy/common.c:697: warning: Function parameter or member 'il' not described in 'il_eeprom_init'
drivers/net/wireless/intel/iwlegacy/common.c:848: warning: Function parameter or member 'il' not described in 'il_mod_ht40_chan_info'
drivers/net/wireless/intel/iwlegacy/common.c:848: warning: Function parameter or member 'band' not described in 'il_mod_ht40_chan_info'
drivers/net/wireless/intel/iwlegacy/common.c:848: warning: Function parameter or member 'channel' not described in 'il_mod_ht40_chan_info'
drivers/net/wireless/intel/iwlegacy/common.c:848: warning: Function parameter or member 'eeprom_ch' not described in 'il_mod_ht40_chan_info'
drivers/net/wireless/intel/iwlegacy/common.c:848: warning: Function parameter or member 'clear_ht40_extension_channel' not described in 'il_mod_ht40_chan_info'
drivers/net/wireless/intel/iwlegacy/common.c:885: warning: Function parameter or member 'il' not described in 'il_init_channel_map'
drivers/net/wireless/intel/iwlegacy/common.c:1035: warning: Function parameter or member 'il' not described in 'il_get_channel_info'
drivers/net/wireless/intel/iwlegacy/common.c:1035: warning: Function parameter or member 'band' not described in 'il_get_channel_info'
drivers/net/wireless/intel/iwlegacy/common.c:1035: warning: Function parameter or member 'channel' not described in 'il_get_channel_info'
drivers/net/wireless/intel/iwlegacy/common.c:1351: warning: Function parameter or member 'il' not described in 'il_scan_cancel'
drivers/net/wireless/intel/iwlegacy/common.c:1365: warning: Function parameter or member 'il' not described in 'il_scan_cancel_timeout'
drivers/net/wireless/intel/iwlegacy/common.c:1617: warning: Function parameter or member 'il' not described in 'il_fill_probe_req'
drivers/net/wireless/intel/iwlegacy/common.c:1617: warning: Function parameter or member 'frame' not described in 'il_fill_probe_req'
drivers/net/wireless/intel/iwlegacy/common.c:1617: warning: Function parameter or member 'ta' not described in 'il_fill_probe_req'
drivers/net/wireless/intel/iwlegacy/common.c:1617: warning: Function parameter or member 'ies' not described in 'il_fill_probe_req'
drivers/net/wireless/intel/iwlegacy/common.c:1617: warning: Function parameter or member 'ie_len' not described in 'il_fill_probe_req'
drivers/net/wireless/intel/iwlegacy/common.c:1617: warning: Function parameter or member 'left' not described in 'il_fill_probe_req'
drivers/net/wireless/intel/iwlegacy/common.c:1924: warning: Function parameter or member 'il' not described in 'il_prep_station'
drivers/net/wireless/intel/iwlegacy/common.c:1924: warning: Function parameter or member 'addr' not described in 'il_prep_station'
drivers/net/wireless/intel/iwlegacy/common.c:1924: warning: Function parameter or member 'is_ap' not described in 'il_prep_station'
drivers/net/wireless/intel/iwlegacy/common.c:1924: warning: Function parameter or member 'sta' not described in 'il_prep_station'
drivers/net/wireless/intel/iwlegacy/common.c:2009: warning: Function parameter or member 'il' not described in 'il_add_station_common'
drivers/net/wireless/intel/iwlegacy/common.c:2009: warning: Function parameter or member 'addr' not described in 'il_add_station_common'
drivers/net/wireless/intel/iwlegacy/common.c:2009: warning: Function parameter or member 'is_ap' not described in 'il_add_station_common'
drivers/net/wireless/intel/iwlegacy/common.c:2009: warning: Function parameter or member 'sta' not described in 'il_add_station_common'
drivers/net/wireless/intel/iwlegacy/common.c:2009: warning: Function parameter or member 'sta_id_r' not described in 'il_add_station_common'
drivers/net/wireless/intel/iwlegacy/common.c:2070: warning: Function parameter or member 'il' not described in 'il_sta_ucode_deactivate'
drivers/net/wireless/intel/iwlegacy/common.c:2070: warning: Function parameter or member 'sta_id' not described in 'il_sta_ucode_deactivate'
drivers/net/wireless/intel/iwlegacy/common.c:2144: warning: Function parameter or member 'il' not described in 'il_remove_station'
drivers/net/wireless/intel/iwlegacy/common.c:2144: warning: Function parameter or member 'sta_id' not described in 'il_remove_station'
drivers/net/wireless/intel/iwlegacy/common.c:2144: warning: Function parameter or member 'addr' not described in 'il_remove_station'
drivers/net/wireless/intel/iwlegacy/common.c:2205: warning: Function parameter or member 'il' not described in 'il_clear_ucode_stations'
drivers/net/wireless/intel/iwlegacy/common.c:2237: warning: Function parameter or member 'il' not described in 'il_restore_stations'
drivers/net/wireless/intel/iwlegacy/common.c:2372: warning: Function parameter or member 'il' not described in 'il_is_lq_table_valid'
drivers/net/wireless/intel/iwlegacy/common.c:2372: warning: Function parameter or member 'lq' not described in 'il_is_lq_table_valid'
drivers/net/wireless/intel/iwlegacy/common.c:2401: warning: Function parameter or member 'il' not described in 'il_send_lq_cmd'
drivers/net/wireless/intel/iwlegacy/common.c:2401: warning: Function parameter or member 'lq' not described in 'il_send_lq_cmd'
drivers/net/wireless/intel/iwlegacy/common.c:2401: warning: Function parameter or member 'flags' not described in 'il_send_lq_cmd'
drivers/net/wireless/intel/iwlegacy/common.c:2539: warning: Function parameter or member 'q' not described in 'il_rx_queue_space'
drivers/net/wireless/intel/iwlegacy/common.c:2556: warning: Function parameter or member 'il' not described in 'il_rx_queue_update_write_ptr'
drivers/net/wireless/intel/iwlegacy/common.c:2556: warning: Function parameter or member 'q' not described in 'il_rx_queue_update_write_ptr'
drivers/net/wireless/intel/iwlegacy/common.c:2711: warning: Function parameter or member 'il' not described in 'il_txq_update_write_ptr'
drivers/net/wireless/intel/iwlegacy/common.c:2711: warning: Function parameter or member 'txq' not described in 'il_txq_update_write_ptr'
drivers/net/wireless/intel/iwlegacy/common.c:2751: warning: Function parameter or member 'il' not described in 'il_tx_queue_unmap'
drivers/net/wireless/intel/iwlegacy/common.c:2751: warning: Function parameter or member 'txq_id' not described in 'il_tx_queue_unmap'
drivers/net/wireless/intel/iwlegacy/common.c:2775: warning: Function parameter or member 'il' not described in 'il_tx_queue_free'
drivers/net/wireless/intel/iwlegacy/common.c:2775: warning: Function parameter or member 'txq_id' not described in 'il_tx_queue_free'
drivers/net/wireless/intel/iwlegacy/common.c:2775: warning: Excess function parameter 'txq' description in 'il_tx_queue_free'
drivers/net/wireless/intel/iwlegacy/common.c:2813: warning: Function parameter or member 'il' not described in 'il_cmd_queue_unmap'
drivers/net/wireless/intel/iwlegacy/common.c:2856: warning: Function parameter or member 'il' not described in 'il_cmd_queue_free'
drivers/net/wireless/intel/iwlegacy/common.c:2856: warning: Excess function parameter 'txq' description in 'il_cmd_queue_free'
drivers/net/wireless/intel/iwlegacy/common.c:2932: warning: Function parameter or member 'il' not described in 'il_queue_init'
drivers/net/wireless/intel/iwlegacy/common.c:2932: warning: Function parameter or member 'q' not described in 'il_queue_init'
drivers/net/wireless/intel/iwlegacy/common.c:2932: warning: Function parameter or member 'slots' not described in 'il_queue_init'
drivers/net/wireless/intel/iwlegacy/common.c:2932: warning: Function parameter or member 'id' not described in 'il_queue_init'
drivers/net/wireless/intel/iwlegacy/common.c:2966: warning: Function parameter or member 'il' not described in 'il_tx_queue_alloc'
drivers/net/wireless/intel/iwlegacy/common.c:2966: warning: Function parameter or member 'txq' not described in 'il_tx_queue_alloc'
drivers/net/wireless/intel/iwlegacy/common.c:2966: warning: Function parameter or member 'id' not described in 'il_tx_queue_alloc'
drivers/net/wireless/intel/iwlegacy/common.c:3006: warning: Function parameter or member 'il' not described in 'il_tx_queue_init'
drivers/net/wireless/intel/iwlegacy/common.c:3006: warning: Function parameter or member 'txq_id' not described in 'il_tx_queue_init'
drivers/net/wireless/intel/iwlegacy/common.c:3245: warning: Function parameter or member 'il' not described in 'il_hcmd_queue_reclaim'
drivers/net/wireless/intel/iwlegacy/common.c:3245: warning: Function parameter or member 'txq_id' not described in 'il_hcmd_queue_reclaim'
drivers/net/wireless/intel/iwlegacy/common.c:3245: warning: Function parameter or member 'idx' not described in 'il_hcmd_queue_reclaim'
drivers/net/wireless/intel/iwlegacy/common.c:3245: warning: Function parameter or member 'cmd_idx' not described in 'il_hcmd_queue_reclaim'
drivers/net/wireless/intel/iwlegacy/common.c:3279: warning: Function parameter or member 'il' not described in 'il_tx_cmd_complete'
drivers/net/wireless/intel/iwlegacy/common.c:3425: warning: Function parameter or member 'il' not described in 'il_init_geos'
drivers/net/wireless/intel/iwlegacy/common.c:3949: warning: bad line:
drivers/net/wireless/intel/iwlegacy/common.c:3955: warning: Function parameter or member 'il' not described in 'il_set_rxon_channel'
drivers/net/wireless/intel/iwlegacy/common.c:4154: warning: Function parameter or member 'il' not described in 'il_irq_handle_error'
drivers/net/wireless/intel/iwlegacy/common.c:5019: warning: Function parameter or member 'hw' not described in 'il_mac_config'
drivers/net/wireless/intel/iwlegacy/common.c:5019: warning: Function parameter or member 'changed' not described in 'il_mac_config'
Cc: Stanislaw Gruszka <stf_xl@wp.pl>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Linux Wireless <ilw@linux.intel.com>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200814113933.1903438-16-lee.jones@linaro.org
Fixes the following W=1 kernel build warning(s):
drivers/net/wireless/intel/iwlegacy/common.c: In function ‘il_enqueue_hcmd’:
drivers/net/wireless/intel/iwlegacy/common.c:3126:6: warning: variable ‘len’ set but not used [-Wunused-but-set-variable]
Cc: Stanislaw Gruszka <stf_xl@wp.pl>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Linux Wireless <ilw@linux.intel.com>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200814113933.1903438-15-lee.jones@linaro.org
On failure pcie_capability_read_dword() sets it's last parameter, val
to 0. However, with Patch 14/14, it is possible that val is set to ~0 on
failure. This would introduce a bug because (x & x) == (~0 & x).
This bug can be avoided without changing the function's behaviour if the
return value of pcie_capability_read_dword is checked to confirm success.
Check the return value of pcie_capability_read_dword() to ensure success.
Suggested-by: Bjorn Helgaas <bjorn@helgaas.com>
Signed-off-by: Bolarinwa Olayemi Saheed <refactormyself@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200713175529.29715-3-refactormyself@gmail.com
The loop counter addr is a u16 where as the upper limit of the loop
is an int. In the unlikely event that the il->cfg->eeprom_size is
greater than 64K then we end up with an infinite loop since addr will
wrap around an never reach upper loop limit. Fix this by making addr
an int.
Addresses-Coverity: ("Infinite loop")
Fixes: be663ab670 ("iwlwifi: split the drivers for agn and legacy devices 3945/4965")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The dev_kfree_skb() function performs also input parameter validation.
Thus the test around the shown calls is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Don't populate the array interval on the stack but instead make it
static. Makes the object code smaller by 121 bytes.
Before:
text data bss dec hex filename
167797 29676 448 197921 30521 wireless/intel/iwlegacy/common.o
After:
text data bss dec hex filename
167580 29772 448 197800 304a8 wireless/intel/iwlegacy/common.o
(gcc version 9.2.1, amd64)
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Instead of using to_pci_dev + pci_get_drvdata,
use dev_get_drvdata to make code simpler.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Based on 1 normalized pattern(s):
gpl license summary [copyright] [c] [2008] [2011] [intel]
[corporation] [all] [rights] [reserved] 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
gpl
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 5 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Steve Winslow <swinslow@gmail.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/20190528170026.622254531@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Addresses-Coverity-ID: 201384 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Prefer the direct use of octal for permissions.
Done with checkpatch -f --types=SYMBOLIC_PERMS --fix-inplace
and some typing.
Miscellanea:
o Whitespace neatening around these conversions.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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>
iwlegacy firmware can crash when power save is configured. PS was
allowed in "dbdac2b iwlegacy: properly enable power saving" with belive
that user who enable PS is aware of that and can relate firmware crahes
with PS. However some distributions seems to enable PS without user
intervention, so warn about that.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Add the following to support beacon report radio measurement
with the measurement mode field set to passive or active:
1. Propagate the required scan duration to the device
2. Report the scan start time (in terms of TSF)
3. Report each BSS's detection time (also in terms of TSF)
TSF times refer to the BSS that the interface that requested the
scan is connected to.
Signed-off-by: Assaf Krauss <assaf.krauss@intel.com>
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
[changed ath9k/10k, at76c59x-usb, iwlegacy, wl1251 and wlcore to match
the new API]
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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>
If "txq->cmd = kzalloc(...)" in il_tx_queue_init fails,
"kfree(txq->cmd[i])" in il_tx_queue_free and il_cmd_queue_free
in iwl4965_hw_txq_ctx_free will causes a null pointer dereference,
because txq->cmd is NULL at that time.
This patch fixes this problem by adding a if-check before kfree.
To avoid double free in il_tx_queue_free and il_cmd_queue_free
caused by the fixing, txq->meta and txq->cmd in error handling code
of il_tx_queue_init are assigned null values.
Otherwise, a double free will occur.
This patch has been tested in real device, and it actually fixes the bug.
Thanks Stanislaw for his suggestion.
Signed-off-by: Jia-Ju Bai <baijiaju1990@163.com>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Julian Calaby <julian.calaby@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Also remove an unused label.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
[Rewrote commit message]
Signed-off-by: Julian Calaby <julian.calaby@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
With the new optimized do_div() code, some versions of gcc
produce obviously incorrect code that leads to a link error
in iwlegacy/common.o:
drivers/built-in.o: In function `il_send_rxon_timing':
:(.text+0xa6b4d4): undefined reference to `____ilog2_NaN'
:(.text+0xa6b4f0): undefined reference to `__aeabi_uldivmod'
In a few thousand randconfig builds, I have seen this problem
a couple of times in this file, but never anywhere else in the
kernel, so we can try to work around this in the only file
that shows the behavior, by marking the il_adjust_beacon_interval
function as noinline, which convinces gcc to use the unoptimized
do_div() all the time.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This code causes a static checker warning because we check for
"if (ret == 0)" but we have already had verified that was true. Clean
it up a little.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
