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Driver uses magic number members within structs, this is an antiquated
method of catching data errors. We don't do things that way any more.
Remove magic number struct members. Remove all checks to magic
numbers.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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TODO file lists task to remove unnecessary comments.
Make initial attempt at removing unnecessary comments. Choose not to
be to vicious in removal. We can remove more once the driver is
cleaned up/tested some more.
For functions with internal linkage, reduce the function comment where
possible. For functions with external linkage, migrate the function
comment to kernel doc format.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Checkpatch emits CHECK: Blank lines aren't necessary before a close
brace '}'. Previous attempts were made to make uniform the error
handling in dgnc but improvements are still possible.
Undo whitespace changes that should not have been made :(. Make return
statement placement uniform throughout dgnc. Fix checkpatch
CHECK. Make whitespace changes only.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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TODO file requests fix up of error handling.
Audit dgnc_mgmt.c and fix all return paths to be uniform and inline
with kernel coding style.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Make modifications for comment style
Signed-off-by: Walt Feasel <waltfeasel@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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fix checkpatch.pl warning about CamelCase.
Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Eliminate unneeded parentheses around the right hand side of an
assignment. Coccinelle semantic patch used:
@@
expression e1, e2;
identifier v;
@@
(
v = (e1 == e2)
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v = (e1 != e2)
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v = (e1 <= e2)
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v = (e1 >= e2)
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v =
- (
e1
- )
)
Signed-off-by: Eva Rachel Retuya <eraretuya@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The dgnc_mgmt_ioctl() code fails to initialize the 16 _reserved bytes of
struct digi_dinfo after the ->dinfo_nboards member. Add an explicit
memset(0) before filling the structure to avoid the info leak.
Signed-off-by: Salva Peiró <speirofr@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Space is not necessary after typecast.
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Blank lines are not needed after opening braces. checkpatch was giving
us warnings about this.
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Blank lines are not needed before closing braces. checkpatch was giving
warning about this.
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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checkpatch warns us about multiple blank lines which are not needed.
Remove them.
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is a patch that fixes line over 80 characters coding style
warning detected by checkpatch.pl.
WARNING: line over 80 characters
Signed-off-by: Anjali Menon <cse.anjalimenon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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dgnc_kcompat.h contains some old legacy defines in case the kernel
doesn't have __user defined but for current kernel versions these
defines don't make sense and are useless so remove them. Move the
TTY_FLIPBUF_SIZE define to digi.h because it's used in the code.
Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Dpacompat.h contained a lot of unused #defines and only few things are
used from it so since we've trimmed down digi.h, now we can delete
dpacompat.h and move remaining stuff into digi.h.
Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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"dgnc_NumBoards" is the number of filled out elements in the
dgnc_Board[] array. "->nasync" and "->maxports" are the same value.
They are the number of channels in the ->channels[] array so these tests
should be ">=" instead of ">" so we avoid reading past the end of the
arrays.
I cleaned up the conditions in dgnc_mgmt_ioctl() a bit. There was a
work around for the off by one bug in the case where there were no
boards which is no longer needed. "channel" is unsigned so it can't be
negative.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove FSF address because it's known in the past that it has changed.
Also, remove the pointless "do not change the coding style" comments
because it's one of the reasons why it's in staging and it's quite
contradictory to what it says in TODO. Also, they contain wrong e-mails
of people which are responsible for these drivers - see TODO or
MAINTAINERS for that. We can preserve the original copyright at the top
of the most files because it shows who originally made them.
Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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"dgnc_NumBoards" is the number of initialized elements in the
dgnc_Board[] array so the comparison should be ">=" instead of ">" so we
don't read invalid data. We can remove the special handling of the
empty array now that we've fixed this bug.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch fixes "do not add new typedefs"
checkpatch.pl warning in dgnc_types.h
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch replaces non-standard spinlock's macros.
It is done using coccinelle and the following semantic patch:
@@
expression x;
@@
- DGNC_SPINLOCK_INIT(x)
+ spin_lock_init(&x)
@@
expression x, y;
@@
- DGNC_LOCK(x, y)
+ spin_lock_irqsave(&x, y)
@@
expression x, y;
@@
- DGNC_UNLOCK(x, y)
+ spin_unlock_irqrestore(&x, y)
@used_by_lock exists@
typedef ulong;
symbol lock_flags;
position p1, p2;
@@
(
ulong lock_flags@p1;
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unsigned long lock_flags@p2;
)
...
(
spin_lock_irqsave(..., lock_flags)
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spin_unlock_irqrestore(..., lock_flags)
)
@@
position used_by_lock.p1, used_by_lock.p2;
@@
(
- ulong lock_flags@p1;
+ unsigned long flags;
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- unsigned long lock_flags@p2;
+ unsigned long flags;
)
<...
- lock_flags
+ flags
...>
Signed-off-by: Roberta Dobrescu <roberta.dobrescu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In dgnc_drivers.h, DPR macro and DPR_* macros are defined but do nothing.
So remove them and related codes.
CC: Lidza Louina <lidza.louina@gmail.com>
CC: Mark Hounschell <markh@compro.net>
Signed-off-by: Seunghun Lee <waydi1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Align test parts in if statement on separate lines.
Signed-off-by: Iulia Manda <iulia.manda21@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
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Deleted space between sizeof and open parenthethis.
Signed-off-by: Iulia Manda <iulia.manda21@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
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Include <linux/uaccess.h> instead of <asm/uaccess.h>
Signed-off-by: Iulia Manda <iulia.manda21@gmail.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
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Deleted unnecessary braces for single statement if blocks.
Signed-off-by: Iulia Manda <iulia.manda21@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
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Fix checkpatch.pl warning - else should follow close brace.
Signed-off-by: Iulia Manda <iulia.manda21@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
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Fix dgnc_mgmt_ioctl() warn: unsigned 'board' is never less than zero.
Signed-off-by: Ashvini Varatharaj <ashvinivaratharaj@gmail.com>
Reviewed-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The arguments that were passed into sizeof were
generic. This patch changes this by putting
the actual item that we need a size of instead.
For example:
- kzalloc(sizeof(struct dgnc_board), GFP_KERNEL);
+ kzalloc(sizeof(*brd), GFP_KERNEL);
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch removes parentheses around return
statements. They aren't needed.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch removes the code supporting CVS
from its files.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch removes trailing whitespace in
the dgnc_mgmt.c file.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch removes the HAVE_UNLOCKED_IOCTL conditional
statements from driver.c, mgmt.c and mgmt.h. This was
used to support older kernels. It isn't needed now.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch removes the dgnc_proc.c and dgnc_proc.h files and all
references to proc functions in dgnc_driver.c. This also removes proc.h
from the include headers in driver.c, mgmt.c and sysfs.c and proc.o
from the Makefile.
Drivers now use sysfs instead of proc.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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version.h header inclusion is not necessary as detected by
versioncheck.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch adds the DGNC driver. This is a TTY Serial Port
Driver for the Digi International Neo and Classic PCI based product
line by Digi International <http://www.digi.com>.
This driver isn't hooked up to the build system because it doesn't
build, it merely adds the driver written by Digi to the kernel tree so
that it can be cleaned up and fixed up properly over time.
Cc: Mark Hounschell <markh@compro.net>
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Tobin C. Harding
Walt Feasel
Daeseok Youn
Eva Rachel Retuya
Salva Peiró
Sudip Mukherjee
Anjali Menon
Giedrius Statkevičius
Dan Carpenter
Ebru Akagunduz
Roberta Dobrescu
Seunghun Lee
Iulia Manda
Ashvini Varatharaj
Lidza Louina
Sachin Kamat