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Since 4.9 mandated USB buffers be heap allocated this causes the driver
to fail.
Since there is a wide range of buffer sizes use kmemdup to create
allocated buffer.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Cc: <stable@vger.kernel.org> # v4.9+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Removed the usb_device_reset(), replace with call to usb_reset_device()
directly. Plus it removes the confusing function name and addressed
the checkpatch warning. This change also swaps string in the dev_warn() call
with __func__ argument to "vt6656_probe" instead of literal string
"usb_reset_device".
WARNING: Prefer using "%s", __func__ to embedded function names
#417: FILE: main_usb.c:417:
+ "usb_device_reset fail status=%d\n", status);
total: 0 errors, 1 warnings, 1058 lines checked
And after fix:
main_usb.c has no obvious style problems and is ready for submission.
Signed-off-by: Chewie Lin <linsh@oregonstate.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Function dev_alloc_skb() will return a NULL pointer if there is no
enough memory. However, in function WILC_WFI_mon_xmit(), its return
value is used without validation. This may result in a bad memory access
bug. This patch fixes the bug.
Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The root issue is that we are not allowed to have items on the
stack being passed to "DMA" like operations. In this case we have
a vmcall and an inline completion of scsi command.
This patch fixes the issue by moving the variables on stack in
do_scsi_nolinuxstat() to heap memory.
Signed-off-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The root issue is that we are not allowed to have items on the
stack being passed to "DMA" like operations. In this case we have
vmcall operation that was using parameters from the stack.
This patch fixes the issue by moving the variables on stack in
issue_vmcall_io_controlvm_addr() to vmcall_controlvm_addr struct.
Signed-off-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove POSTCODEs from visorchipset_init and replace them with dev_err when
needed.
Since there are no more POSTCODEs in the code, we can get rid of the data
in the header file as well.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace postcodes with dev_err in the function
setup_crash_device_work_queue.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The if statement was sending us down the happy path with the error path
in the else. This can be simplified by having the if be the error and
just falling through with the good path.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace POSTCODEs with dev_err in the function my_device_changestate.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace the POSTCODEs with dev_err in my_device_create.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove the POSTCODE logging from bus_configure, replace it with an
error message if we fail dumping the errno.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Removed the POSTCODEs from the function bus_create.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace POSTCODES in save_crash_msg with dev_err handling.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove the POSTCODES in visorbus_init. Since there are no more POSTCODES
in visorbus_main.c we can remove the reference to the vmcallinterface
header file.
No need for vmcallinterface in visorbus_main.c
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The postcodes in visorchipset_exit were not displaying errors, they can
just be removed.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Since kzalloc will display error the postcode becomes redundant, it
can be removed.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Get rid of postcodes from visorbus_main.c that are just informational.
They were not logging errors, we don't need to replace them with
anything.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove postcodes from create_bus_instance. If there is an error log
it with dev_err.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Get rid of the postcodes from the function chipset_init. They were
being noisy, so don't replace them with errors.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove POSTCODES from create_visor_device, when we fail log an error
with dev_err.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Catch and report back errors when visorchannel_write fails.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Limit the amount that gets pulled from the queue on each try so we don't
get stuck in an infinite loop if something has gone wrong with the s-Par
firmware.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Comment was outdated and did not reflect what was actually happening.
Update the comment to reflect reality.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Moved the brace to the left to fix the indentation issue.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Shouldn't use uint32 in the kernel, it can be replaced with int here.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Functions in c files don't need to be inlined, get rid of the keyword.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There are several different controlvm response functions, consolidate them
to one so we can simplify error handling.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Driver header declares enumeration types without tags. Using
informative tags makes the code easier to understand and
eliminates the need to comment the enum.
Add tags to enumeration types.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Driver uses preprocessor directives to define multicast filter
constants. These can be defined using an enumeration type. Doing so
adds to the readability and gives the assists the compiler.
Add enumeration type multicast_filter_type to replace preprocessor
defined constants.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Macro includes commented out code. Removing dead code line enables
braces to be removed. Macro is easier to read if the code is clean.
Clean up macro ps_confirm_wait_inc.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Inside loop, code block is guarded with an 'if' statement. Instead of
guarding the block we can invert the 'if' statement conditional and
continue the loop. Doing so allows subsequent code indentation to be
reduced and aids the readability of the code.
Invert 'if' statement conditional, continue loop if new conditional
evaluates to true. Reduce subsequent code indentation level. Do not
change program logic.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The returned pointer from netdev_priv() (void *) does not need to be
cast.
Remove unnecessary cast of void * returned by netdev_priv().
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Driver currently uses abbreviations 'mgt' and 'mngmt' for
'management'. Also 'power' is sometimes abbreviated to 'pow' and other
times not. It makes the code easier to read and easier to modify if
one abbreviation is used throughout the driver. 'mgmt' is widely
accepted as an abbreviation of 'management'. 'power' can be spelled
out in full, the extra two characters aids readability without an
excessive cost.
Make abbreviation of 'management' uniform across the driver, function
names, preprocessor defined constants, and enumeration types.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Driver uses preprocessor directives to define SLP_ASLEEP and
SLP_ACTIVE. These can be defined using an enumeration type. Doing so
adds to the readability and gives the usual compiler benefits of
having an enum. Functions that currently accept integer types can now
use the new enumeration type, further aiding readability.
Add enumeration type sleep_mode_type. Update code that handles sleep
mode to use the new enumeration type.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Host interface connection status is handled using a 32 bit type. Top
byte is used as for FORCE_DISCONNECT status, low bits are used for
connect/disconnect status. Driver masks and checks integers to
ascertain status. If functions are defined to do the masking and
equality check then the details of how the status integer is used are
abstracted away. This makes the code easier to read. Also future
updates to the status handling will be easier because the code is in
one place.
Driver currently uses the CONNECT_STATUS and DISCONNECT_STATUS as
values, as apposed to opaque values. Because of this driver code
checks for equality with CONNECT_STATUS and DISCONNECT_STATUS as
apposed to negating a single check (ie 'foo != CONNECT_STATUS). In
order to maintain the current functionality we define two separate
functions is_connect_status() and is_disconnect_status().
Add functions to abstract the status integer check. Update all sites
that do the check manually to use the newly defined functions.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Driver contains duplicate code. Host interface has numerous request
functions which allocate memory for a request header. Each request
header is different but all contain, as the first member, a hostif_hdr
structure. This structure has size and event members which need to be
set. By defining a helper function to allocate the memory and set the
initial hostif_hdr members code duplication is reduced.
Add function to allocate memory for a host interface request. Set
'size' and 'event' members. Remove duplicate code using newly defined
function.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Memory allocation code contains unneeded debug statements, failed
kmalloc() calls typically do not require a debug message. Introduction
of a local 'size' variable allows kmalloc() call to be marginally
cleaner, still uses magic numbers but these require a more substantial
fix. Moving the magic numbers onto a single line opens the way for
further refactoring.
Clean memory allocation code, remove debug statements.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Current switch statement has duplicate code in branches. This code can
be put after the switch statement so as to remove the duplication.
Move code to after switch statement, remove duplicate code. Make error
branch return so as not to execute the moved code block. Do not change
the program logic.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Driver includes magic numbers. Defining constants or using existing
constants aids the readability of the code.
Magic number '12' is used for two ethernet addresses (6 bytes
each). ETH_ALEN is already defined within the kernel to 6. We can us
the expression '2 * ETH_ALEN' to make this code explicit.
Magic number '20' refers to the data size, in bytes, of a struct
ether_hdr (described in eap_packet.h). We can define a constant for
this purpose, making the code explicit and easier to read.
Define constant. Remove magic numbers, using newly defined constant
and/or expression using existing kernel constant.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Currently, after allocating an sk_buff, driver fills the sk_buff
within code block guarded by a NULL check on the sk_buff. If a NULL
check is done immediately after the allocation, and code returns on
error, then the subsequent code need not be guarded and the level of
indentation may be reduced. This aids the readability of the code and
makes explicit the error path.
Check for NULL directly after allocating the sk_buff, return if
allocation fails. Reduce indentation of subsequent code. Do not change
the program logic.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Code declares and assigns to a local variable that is never used, it
can be safely removed.
Remove unused local variable.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Currently source and destination ethernet addresses are checked twice,
once in hostif_data_indication() and then again in
hostif_data_indication_wpa(). The second of these functions is called
from the first right after the address check is done. This check is a
duplicate and is unnecessary.
Remove unnecessary duplicate address check.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
All statements removed from the end of void functions
as reported by checkpatch.
Signed-off-by: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix checkpatch.pl warning about unnecessary whitespace before a
quoted newline.
Signed-off-by: Paolo Cretaro <melko@frugalware.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace hardcoded function name with __func__
Signed-off-by: Dhananjay Balan <mail@dbalan.in>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix checkpatch ERRORs: code indent should use tabs where possible.
Signed-off-by: Paolo Cretaro <melko@frugalware.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This adds two methods to spk_synth struct: send_xchar and tiocmset, and
creates serial implementation for each of them. It takes existing code
in apollo, audptr and spkout which already fits the behaviour of
send_xchar and tiocmset. In follow-up patches there will be TTY-based
implementations of these methods. Then migrating the synths to TTY will
include repointing these methods to their TTY implementations
Rest of the changes simply make use of serial implementation of these two
functions.
Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Function pci_ioremap_bar() will return a NULL pointer if there is no
enough memory. However, in function apci3xxx_auto_attach(), the return
value of function pci_ioremap_bar() is not validated. This may result in
NULL dereference in following access to dev->mmio. This patch fixes the
bug.
Signed-off-by: Pan Bian <bianpan2016@163.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
