Doing some macro replacement to start an array of structures
so it can be reused by manipulating it with different values.
Signed-off-by: Karim Eshapa <karim.eshapa@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Remove unrequired whitespace in some declarations,
fix an indentation and remove unrequired blank lines.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use the mac_pton() helper to convert the mac address string.
The functions key_char2num() and key_2char2num() are not used
anywhere else and can be removed.
This also has the benefit of validating the input since mac_pton()
returns false if the string is not valid.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use ether_addr_copy() instead of memcpy() to copy the mac address.
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Using is_broadcast_ether_addr() and is_zero_ether_addr() instead of
testing each byte of the mac[] array for 0xff and 0x00 shortens the
code and improves readability.
If np == NULL, of_get_property() returns NULL, hence the "np" check
is not needed.
Instead of a fixed default mac address use a random one to reduce the
likelihood of mac address collision.
Thanks to Joe Perches and Dan Carpenter.
Suggested-by: Joe Perches <joe@perches.com>
Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix comparsion to NULL issues found by checkpatch.
Use !x instead of x == NULL.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
random_ether_addr is a #define for eth_random_addr which is
generally preferred in kernel code by ~3:1
Convert the uses of random_ether_addr to enable removing the #define
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove unrequired blank lines after open and before close braces.
Reported by checkpatch.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix two "CHECK: Macro argument 'N' may be better as '(N)' to avoid
precedence issue" messages, reported by checkpatch, by adding
parentheses around the offending macro argument references.
Signed-off-by: Tim Collier <osdevtc@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
checkpatch gives the following message for the p80211rate_to_p2bit
macro:
CHECK: Macro argument reuse 'n' - possible side-effects?
To fix the message, replace the macro with an equivalent inline
function.
Signed-off-by: Tim Collier <osdevtc@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
checkpatch reports a "CHECK" diagnostic for WLAN_CTL_FRAMELEN as the
macro reuses its argument, leading to possible side-effects. Avoid
this by replacing the macro with an equivalent function, named
wlan_ctl_framelen (as recommended in the coding style). All references
to the macro also updated accordingly.
Signed-off-by: Tim Collier <osdevtc@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix "CHECK: Alignment should match open parenthesis" reported by
checkpatch.pl.
Signed-off-by: Tim Collier <osdevtc@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The driver may sleep with holding a spinlock.
The function call path (from bottom to top) in Linux-4.16.7 is:
[FUNC] schedule
drivers/staging/rtlwifi/halmac/rtl_halmac.c, 884:
schedule in _is_fw_read_cmd_down
drivers/staging/rtlwifi/halmac/rtl_halmac.c, 912:
_is_fw_read_cmd_down in rtl_halmac_send_h2c
drivers/staging/rtlwifi/halmac/rtl_halmac.c, 907:
_raw_spin_lock_irqsave in rtl_halmac_send_h2c
To fix this bug, schedule() is replaced with mdelay(1).
This bug is found by my static analysis tool (DSAC-2) and checked by
my code review.
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Improve readability of prism2_add_key:
a) Reduce nesting and removed goto statement by using more return statements.
Signed-off-by: Chris Opperman <eklikeroomys@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The driver has rather excessive amount of tracing code, which would be
better done using ftrace. This is obviously not a main feature of the
driver, and it should work just as well without it.
Removing it saves over 1300 lines of code and likely makes the driver
a bit faster by avoiding lots of calls into the timekeeping code.
I came across this while cleaning up the last users of the deprecated
getnstimeofday64() function, of which there is one in the now-removed
get_current_time() function of the rtsx driver that was only used for
tracing.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The BIT macro uses unsigned long which some architectures handle as 32 bit
and therefore might cause macro's shift to overflow when used on a value
equals or larger than 32 (NL80211_STA_INFO_RX_DURATION and afterwards).
Since 'filled' member in station_info changed to u64, BIT_ULL macro
should be used with all NL80211_STA_INFO_* attribute types instead of BIT
to prevent future possible bugs when one will use BIT macro for higher
attributes by mistake.
This commit cleans up all usages of BIT macro with the above field
in cfg80211 by changing it to BIT_ULL instead.
Signed-off-by: Omer Efrat <omer.efrat@tandemg.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch fixes following sparse warning:
Using plain integer as NULL pointer
in drivers/staging/most/dim2/dim2.c
Signed-off-by: Marcin Ciupak <marcin.s.ciupak@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The function rtw_set_tx_chksum_offload() has empty definition.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Move open braces of definitions to the next line
to comply with codestyle.
Criticized by checkpatch.
Signed-off-by: Henriette Hofmeier <passt@h-hofmeier.de>
Signed-off-by: Florian Harbecke <florian.harbecke@fau.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The driver may sleep with holding a spinlock.
The function call paths (from bottom to top) in Linux-4.16.7 are:
[FUNC] kzalloc(GFP_KERNEL)
drivers/staging/rtl8723bs/os_dep/ioctl_linux.c, 323:
kzalloc in translate_scan
drivers/staging/rtl8723bs/os_dep/ioctl_linux.c, 1554:
translate_scan in rtw_wx_get_scan
drivers/staging/rtl8723bs/os_dep/ioctl_linux.c, 1533:
spin_lock_bh in rtw_wx_get_scan
[FUNC] kzalloc(GFP_KERNEL)
drivers/staging/rtl8723bs/os_dep/ioctl_linux.c, 455:
kzalloc in translate_scan
drivers/staging/rtl8723bs/os_dep/ioctl_linux.c, 1554:
translate_scan in rtw_wx_get_scan
drivers/staging/rtl8723bs/os_dep/ioctl_linux.c, 1533:
spin_lock_bh in rtw_wx_get_scan
To fix these bugs, GFP_KERNEL is replaced with GFP_ATOMIC.
These bugs are found by my static analysis tool (DSAC-2) and checked by
my code review.
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
get_monotonic_boottime() is deprecated because it uses the
old 'timespec' structure. This replaces one of the last callers
with a call to ktime_get_boottime, which also simplifies it
a bit by avoiding a double conversion.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Quytelda Kahja <quytelda@tamalin.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix 'braces {} should be used on all arms of this statement' coding
style problem in 'phy_get_tx_pwr_lmt()'.
Signed-off-by: Quytelda Kahja <quytelda@tamalin.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The if conditionals used to work around wrong TX power limit indices
can be condensed into a single if/else-if statement for more concise
expression.
Signed-off-by: Quytelda Kahja <quytelda@tamalin.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Two conditionals that set 'channel' based on 'band_type' in
'phy_get_tx_pwr_lmt()' can be simplified into one single-line conditional.
Signed-off-by: Quytelda Kahja <quytelda@tamalin.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Factoring out the conditional lookup of bandwidth index into the power
limit table into it's own function simplifies the logic of
'phy_get_tx_pwr_lmt()'.
Signed-off-by: Quytelda Kahja <quytelda@tamalin.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The rate section lookup is a large switch statement in the middle of
'phy_get_tx_pwr_lmt()'; refactor this statement into it's own function
for increased readability.
Signed-off-by: Quytelda Kahja <quytelda@tamalin.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Two if statements that carry out the same operation can be combined with
a logical OR.
Signed-off-by: Quytelda Kahja <quytelda@tamalin.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Change camel-case names to snake-case names; to avoid variable name
conflicts, rename table index variables to idx_*.
Signed-off-by: Quytelda Kahja <quytelda@tamalin.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use GPL-2.0+ based on the license text in each of the files.
Signed-off-by: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use const array to map switch cases to resulting values.
Signed-off-by: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Reviewed-by: Marcus Wolf <Marcus.Wolf@Wolf-Entwicklungen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The device structure contains a useless non-atomic users counter which
is subject to race conditions. It has probably been created to handle
the case where remove is executed while operations are still executing
on open fds but this will never happen because of reference counts.
Drop the users counter and move rx buffer {de,}allocation to probe()
and remove(). Remove associated dead code from open() and release().
Remove related TODO entry from ioctl().
Signed-off-by: Hugo Lefeuvre <hle@owl.eu.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The timespec structure suffers from the y2038 overflow and should not
be used. This changes handle_vsoc_cond_wait() to use ktime_t directly.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Martijn Coenen <maco@android.com>
Tested-by: Alistair Strachan <astrachan@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The ashmem driver did not check that the size/offset of the vma passed
to its .mmap() function was not larger than the ashmem object being
mapped. This could cause mmap() to succeed, even though accessing parts
of the mapping would later fail with a segmentation fault.
Ensure an error is returned by the ashmem_mmap() function if the vma
size is larger than the ashmem object size. This enables safer handling
of the problem in userspace.
Cc: Todd Kjos <tkjos@android.com>
Cc: devel@driverdev.osuosl.org
Cc: linux-kernel@vger.kernel.org
Cc: kernel-team@android.com
Cc: Joel Fernandes <joel@joelfernandes.org>
Signed-off-by: Alistair Strachan <astrachan@google.com>
Acked-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Reviewed-by: Martijn Coenen <maco@android.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Item [1] in TODO list is already addressed, so removed it from TODO file.
[1]. Move handling for each individual members of 'union message_body' out
into a separate 'struct work_struct' and completely remove the
multiplexerthat is currently part of host_if_work(), allowing movement
of the implementation of each message handler into the callsite of the
function that currently queues the 'host_if_msg'.
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Instead of static variable now allocating the data and passing to
handle_get_rssi() to fill the rssi information.
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Avoided the use of static variable 'inactive_time' and move it as part of
'sta_inactive_t' structure.
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Handle freeing of memory allocated to keep 'key' & 'seq' in wilc_add_rx_gtk().
Once completion event is received, free the memory allocated for
to avoid missing of free in work function.
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Handle freeing of memory allocated to store the 'key' in wilc_add_ptk()
function. Once work completion notification is received, free the
memory allocated to avoid missing of free in work function sepecially
for error scenario.
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Modified the code to free the allocated memory, used to store the key in
wilc_add_wep_key_bss_sta() and wilc_add_wep_key_bss_ap().
After work completion notification is received, free the
memory allocated to avoid missing of free in work function.
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Rename wilc_enqueue_cmd() to wilc_enqueue_work() because its used to
enqueue the work queue. Also removed the function header comment for
wilc_enqueue_cmd() as its not correct.
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove 'hif_thread_comp' completions as its not required after adding
completion event as part work data to handle each sync call.
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Added 'work_comp' completion in 'host_if_msg'. It allows handling the
sync call to wait for sepecific completion event.
The commands can be run in sync way waiting for their specific
completion event.
Added is_sync flag in wilc_create_work_queue() to handle the sync call to
host interface.
After adding completion as part of host_if_msg now
below completion are not required
comp_test_key_block;
comp_test_disconn_block
comp_get_rssi
comp_inactive_time
hif_wait_response
Modified wilc_get_statistics() API to handle get statistic in sync &
async way.
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
