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As preparation for removal of "comedi_fc.h", replace calls to the
`cfc_check_trigger_...` functions from "comedi_fc.h" with the
replacement `comedi_check_trigger_...` functions from "../comedidev.h"
and remove the inclusion of "comedi_fc.h".
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As preparation for removal of "comedi_fc.h", replace calls to the
`cfc_check_trigger_...` functions from "comedi_fc.h" with the
replacement `comedi_check_trigger_...` functions from "../comedidev.h"
and remove the inclusion of "comedi_fc.h".
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As preparation for removal of "comedi_fc.h", replace calls to the
`cfc_check_trigger_...` functions from "comedi_fc.h" with the
replacement `comedi_check_trigger_...` functions from "../comedidev.h"
and remove the inclusion of "comedi_fc.h".
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As preparation for removal of "comedi_fc.h", replace calls to the
`cfc_check_trigger_...` functions from "comedi_fc.h" with the
replacement `comedi_check_trigger_...` functions from "../comedidev.h"
and remove the inclusion of "comedi_fc.h".
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As preparation for removal of "comedi_fc.h", replace calls to the
`cfc_check_trigger_...` functions from "comedi_fc.h" with the
replacement `comedi_check_trigger_...` functions from "../comedidev.h"
and remove the inclusion of "comedi_fc.h".
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As preparation for removal of "comedi_fc.h", replace calls to the
`cfc_check_trigger_...` functions from "comedi_fc.h" with the
replacement `comedi_check_trigger_...` functions from "../comedidev.h"
and remove the inclusion of "comedi_fc.h".
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As preparation for removal of "comedi_fc.h", replace calls to the
`cfc_check_trigger_...` functions from "comedi_fc.h" with the
replacement `comedi_check_trigger_...` functions from "../comedidev.h"
and remove the inclusion of "comedi_fc.h".
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As preparation for removal of "comedi_fc.h", replace calls to the
`cfc_check_trigger_...` functions from "comedi_fc.h" with the
replacement `comedi_check_trigger_...` functions from "../comedidev.h"
and remove the inclusion of "comedi_fc.h".
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As preparation for removal of "comedi_fc.h", replace calls to the
`cfc_check_trigger_...` functions from "comedi_fc.h" with the
replacement `comedi_check_trigger_...` functions from "../comedidev.h"
and remove the inclusion of "comedi_fc.h".
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As preparation for removal of "comedi_fc.h", replace calls to the
`cfc_check_trigger_...` functions from "comedi_fc.h" with the
replacement `comedi_check_trigger_...` functions from "../comedidev.h"
and remove the inclusion of "comedi_fc.h".
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As preparation for removal of "comedi_fc.h", replace calls to the
`cfc_check_trigger_...` functions from "comedi_fc.h" with the
replacement `comedi_check_trigger_...` functions from "../comedidev.h"
and remove the inclusion of "comedi_fc.h".
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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"ni_labpc_isadma.c" doesn't use anything from "comedi_fc.h".
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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"ni_660x.c" doesn't use anything from "comedi_fc.h".
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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"mite.c" doesn't use anything from "comedi_fc.h".
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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"cb_pcidda.c" doesn't use anything from "comedi_fc.h".
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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"cb_das16_cs.c" doesn't use anything from "comedi_fc.h".
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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"addi_apci_3501.c" doesn't use anything from "comedi_fc.h".
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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"addi_apci_1516.c" doesn't use anything from "comedi_fc.h".
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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"8255.c" doesn't use anything from "comedi_fc.h".
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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"comedi_fc.h" contains a few inline functions used by the `do_cmdtest`
handler functions for comedi subdevices in several low-level comedi
drivers for checking asynchronous command trigger sources and arguments.
They all use the prefix `cfc_check_trigger_arg`. Copy them over to
"../comedidev.h", but change the `cfc_` prefix to `comedi_`. Change the
original functions in "comedi_fc.h" into simple wrappers for their
replacements.
Once the drivers have been changed to call the replacement functions,
"comedi_fc.h" can be removed.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add `#include`s and declare incomplete types to "comedi_internal.h" so
that .c files still compile when it is the first file included.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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`comedi_event()` is called from low-level drivers to handle comedi
asynchronous command event flags. As a safety check, it checks the
subdevice's "run" flags to make sure an asynchronous command is running.
It can also change the run flags to mark the command as no longer
running (possibly also marking it as terminated with an error).
Checking the runflags and modifying them involves two uses of the
subdevice's spin-lock. It seems better to do it with a single use of
the spin-lock. This also avoids possible interactions with
`do_become_nonbusy()`.
Acquire the subdevice's spin-lock at the start of `comedi_event()` and
release it near the end, before a possible call to `kill_fasync()` (but
after it's parameter values have been determined).
Add and make use of few new inline helper functions:
* `__comedi_clear_subdevice_runflags()` -- clears some run flags without
using the spin-lock
* `__comedi_set_subdevice_runflags()` -- sets some run flags without
using the spin-lock
* `__comedi_get_subdevice_runflags()` -- a spin-lockless version of
`comedi_get_subdevice_runflags()
* `__comedi_is_subdevice_running()` -- a spin-lockless version of
* `comedi_is_subdevice_running()`
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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`comedi_event()` is called from low-level drivers to handle comedi
asynchronous command event flags. Some events cause waiting tasks to be
woken up, and a `SIGIO` signal to be sent via `kill_fasync()`. The
signal code is `POLL_OUT` if the subdevice supports commands in the
"write" direction, or `POLL_IN` for the "read" direction. If the
subdevice supports commands in either direction, it sends two `SIGIO`
signals, one with each code. Change that latter case to only send one
`SIGIO` signal, using the direction of the current command to determine
the signal code. If the `CMDF_WRITE` flag is set in the current
command, it's in the "write" direction, otherwise it's in the "read"
direction.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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`comedi_event()` is called from low-level drivers to handle asynchronous
command event flags that are stored in `s->async->events` for subdevice
`s`. It normally clears the event flags as well. As a safety check, it
does nothing if no asynchronous command is running, but it leaves
`s->async->events` unchanged in this case. For additional safety,
change it to always clear the event flags to avoid leaving stale event
flags set when another asynchronous command is set up.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In places where the `s->async` value has been stored in a local
variable, use the variable instead of repeating `s->async`.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Don't use a conditional operator when a simple "not" will do.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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`comedi_is_subdevice_in_error()` is only used by `comedi_read()` and
`comedi_write()` and is only called (soon) after
`comedi_is_subdevice_running()` returns `false` (with extra conditions
in the case of `comedi_write()`). `comedi_is_subdevice_running()` and
`comedi_get_subdevice_runflags()` both call
`comedi_get_subdevice_runflags()` which uses the subdevice's spin-lock.
Eliminate one use of the subdevice's spin-lock in `comedi_read()` and
`comedi_write()` by calling `comedi_get_subdevice_runflags()` and
checking the runflags directly. Add a couple of inline functions to
check the runflags: `comedi_is_runflags_running()` and
`comedi_is_runflags_in_error()`. These do the same test on runflags as
`comedi_is_subdevice_running()` and `comedi_is_subdevice_in_error()` but
get passed the runflags value directly.
`comedi_is_subdevice_in_error()` is no longer used, so remove it.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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`comedi_set_subdevice_runflags()` changes the comedi subdevice's
`runflags` member according to a bit-mask and new bit values. It's name
might suggest that it only "sets", not "clears". Rename it to
`comedi_update_subdevice_runflags()` to avoid confusion.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is done to handle some lustre patches that were made against the
wrong kernel branch, which was my fault, as I gave a lecture where I
messed things up for the students, it wasn't their fault.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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I fixed lines over 80 characters and unnecessary returns
Signed-off-by: Guillaume Matheron <guillaume.matheron@ens.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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parenthesis
I removed all the 'unneeded space' warnings given by checkpatch.pl
Signed-off-by: Guillaume Matheron <guillaume.matheron@ens.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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I focused on function declarations (placed return type on the same line
as function name), and spaces between function name and parenthesis
Signed-off-by: Guillaume Matheron <guillaume.matheron@ens.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Georges-Axel Jaloyan <georges-axel.jaloyan@ens.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Adding a blank in this file after a declaration as reported by checkpatch.pl.
Signed-off-by: Cyrille Ruggero <cyrille.ruggero@ens.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Replace two occurrences of "+1" with simply "1".
Signed-off-by: Luca Wehrstedt <luca.wehrstedt@ens.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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before the arguments of a function
Remove unneeded space before the arguments of a function
Signed_off_by: Gwendoline Chouasne-guillon <chouasne@ens.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fixed warnings as reported by checkpatch.pl
Also fixed padding before function arguments when needed
Signed-off-by: Guillaume Matheron <guillaume.matheron@ens.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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by checkpatch.pl
Signed-off-by: Rafaël Bocquet <rafael.bocquet@ens.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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checkpatch.pl
Signed-off-by: Rafaël Bocquet <rafael.bocquet@ens.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Format comment such that it is under 80 chars
Signed-off-by: Martin Vassor <martin.vassor@epfl.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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OBD_CHECK_DEV and OBD_CHECK_DEV_ACTIVE have been replaced by static
inline functions. They are removed since they are not used anymore.
Signed-off-by: Aya Mahfouz <mahfouz.saif.elyazal@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Static inline functions are preferred over macros. The inline function
obd_check_dev_active is introduced to replace OBD_CHECK_DEV_ACTIVE.
All functions that call obd_check_dev_active store the return values
and return them if they represent an error code.
Some of the changes were carried out manually while others were done
using coccinelle.
Signed-off-by: Aya Mahfouz <mahfouz.saif.elyazal@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Static inline functions are preferred over macros. Hence, the function
obd_check_dev was introduced. obd_check_dev replaces the macro
OBD_CHECK_DEV. All functions that call obd_check_dev store the return
values and return them if they represent an error code.
Some of the changes were carried out manually while others were done
using coccinelle.
Signed-off-by: Aya Mahfouz <mahfouz.saif.elyazal@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Théotime Grohens <theotime.grohens@ens.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove an unneeded return statement in this file as reported by
checkpatch.pl.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Removes variable comparison with 0.
Done using following coccinelle script.
@ disable is_zero,isnt_zero @
expression *E;
expression E1,f;
@@
E = f(...)
<...
(
- E == 0
+ !E
|
- E != 0
+ E
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- 0 == E
+ !E
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- 0 != E
+ E
)
...>
?E = E1
@ disable is_zero,isnt_zero @
expression *E;
@@
(
E ==
- 0
+ NULL
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E !=
- 0
+ NULL
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- 0
+ NULL
== E
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- 0
+ NULL
!= E
)
Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fixed indent of switch-case by adding space using tabs.
Problem found using checkpatch.pl
ERROR: space required after that ';' (ctx:VxV)
Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Used C89 instead of C99 Comment and removed C99 comments performing prints only.
Problem found using checkpatch.pl
ERROR: do not use C99 // comments
Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix the checkpatch.pl WARNING: line over 80 characters
Signed-off-by: Charlie Wong Super <1213charlie@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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I don't know if "hdr->payload_length;" can really be negative, but if so
then we shouldn't allow it. Do the comparison as an unsigned.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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