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`compat_insnlist()` handles the 32-bit version of the `COMEDI_INSNLIST`
ioctl (whenwhen `CONFIG_COMPAT` is enabled). It allocates memory to
temporarily hold an array of `struct comedi_insn` converted from the
32-bit version in user space. This memory is only being freed if there
is a fault while filling the array, otherwise it is leaked.
Add a call to `kfree()` to fix the leak.
Fixes: b8d47d881305 ("comedi: get rid of compat_alloc_user_space() mess in COMEDI_INSNLIST compat")
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-staging@lists.linux.dev
Cc: <stable@vger.kernel.org> # 5.13+
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Link: https://lore.kernel.org/r/20210916145023.157479-1-abbotti@mev.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging / IIO driver updates from Greg KH:
"Here is the big set of IIO and staging driver patches for 5.14-rc1.
Loads of IIO driver updates and additions in here, the shortlog has
the full details.
For the staging side, we moved a few drivers out of staging, and
deleted the kpc2000 drivers as the original developer asked us to
because no one was working on them anymore.
Also in here are loads of coding style cleanups due to different
intern projects focusing on the staging tree to try to get experience
doing kernel development.
All of these have been in the linux-next tree for a while with no
reported problems"
* tag 'staging-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (744 commits)
staging: hi6421-spmi-pmic: cleanup some macros
staging: hi6421-spmi-pmic: change identation of a table
staging: hi6421-spmi-pmic: change a return code
staging: hi6421-spmi-pmic: better name IRQs
staging: hi6421-spmi-pmic: use devm_request_threaded_irq()
staging: hisilicon,hi6421-spmi-pmic.yaml: cleanup descriptions
spmi: hisi-spmi-controller: move driver from staging
phy: phy-hi3670-usb3: move driver from staging into phy
staging: rtl8188eu: remove include/rtw_debug.h header
staging: rtl8188eu: remove GlobalDebugLevel variable
staging: rtl8188eu: remove DRIVER_PREFIX preprocessor definition
staging: rtl8188eu: remove RT_TRACE macro
staging: rtl8188eu: remove all RT_TRACE calls from hal/rtl8188eu_recv.c
staging: rtl8188eu: remove all RT_TRACE calls from hal/hal_intf.c
staging: rtl8188eu: remove all RT_TRACE calls from hal/rtl8188eu_xmit.c
staging: rtl8188eu: remove all RT_TRACE calls from core/rtw_xmit.c
staging: rtl8188eu: remove all RT_TRACE calls from core/rtw_pwrctrl.c
staging: rtl8188eu: remove all RT_TRACE calls from core/rtw_recv.c
staging: rtl8188eu: remove all RT_TRACE calls from core/rtw_ioctl_set.c
staging: rtl8188eu: remove all RT_TRACE calls from core/rtw_ieee80211.c
...
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Fixes the following W=1 kernel build warning(s):
drivers/staging/comedi/drivers/comedi_isadma.c:157: warning: Function parameter or member 'dma_chan1' not described in 'comedi_isadma_alloc'
drivers/staging/comedi/drivers/comedi_isadma.c:157: warning: Excess function parameter 'dma_chan' description in 'comedi_isadma_alloc'
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-staging@lists.linux.dev
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210520122538.3470259-7-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fixes the following W=1 kernel build warning(s):
drivers/staging/comedi/drivers/ni_routes.c:249: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
drivers/staging/comedi/drivers/ni_routes.c:398: warning: Function parameter or member 'routes' not described in 'ni_route_set_has_source'
drivers/staging/comedi/drivers/ni_routes.c:398: warning: Function parameter or member 'source' not described in 'ni_route_set_has_source'
drivers/staging/comedi/drivers/ni_routes.c:524: warning: Function parameter or member 'src_sel_reg_value' not described in 'ni_find_route_source'
drivers/staging/comedi/drivers/ni_routes.c:524: warning: Function parameter or member 'dest' not described in 'ni_find_route_source'
drivers/staging/comedi/drivers/ni_routes.c:524: warning: Function parameter or member 'tables' not described in 'ni_find_route_source'
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Alexander A. Klimov" <grandmaster@al2klimov.de>
Cc: "Spencer E. Olson" <olsonse@umich.edu>
Cc: linux-staging@lists.linux.dev
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210520122538.3470259-5-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fixes the following W=1 kernel build warning(s):
drivers/staging/comedi/drivers/ni_tio.c:1515: warning: Function parameter or member 'counter_dev' not described in 'ni_tio_get_routing'
drivers/staging/comedi/drivers/ni_tio.c:1515: warning: Function parameter or member 'dest' not described in 'ni_tio_get_routing'
drivers/staging/comedi/drivers/ni_tio.c:1515: warning: expecting prototype for Retrieves the register value of the current source of the output selector for(). Prototype was for ni_tio_get_routing() instead
drivers/staging/comedi/drivers/ni_tio.c:1544: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
drivers/staging/comedi/drivers/ni_tio.c:1584: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Mori Hess <fmhess@users.sourceforge.net>
Cc: "J.P. Mellor" <jpmellor@rose-hulman.edu>
Cc: Herman.Bruyninckx@mech.kuleuven.ac.be
Cc: Wim.Meeussen@mech.kuleuven.ac.be
Cc: Klaas.Gadeyne@mech.kuleuven.ac.be
Cc: Comedi <comedi@comedi.org>
Cc: linux-staging@lists.linux.dev
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210520122538.3470259-4-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fixes the following W=1 kernel build warning(s):
drivers/staging/comedi/drivers/comedi_8254.c:561: warning: Function parameter or member 'i8254' not described in 'comedi_8254_subdevice_init'
drivers/staging/comedi/drivers/comedi_8254.c:620: warning: Function parameter or member 'iobase' not described in 'comedi_8254_init'
drivers/staging/comedi/drivers/comedi_8254.c:620: warning: Excess function parameter 'mmio' description in 'comedi_8254_init'
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "David A. Schleef" <ds@schleef.org>
Cc: linux-staging@lists.linux.dev
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210520122538.3470259-2-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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'get_min_full_scales'
The variable ‘min_full_scale’ and function 'get_min_full_scales' are
not used, So delete them.
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Bixuan Cui <cuibixuan@huawei.com>
Link: https://lore.kernel.org/r/20210514085214.53941-1-cuibixuan@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit fa60ce2cb450 ("treewide: remove editor modelines and cruft")
is different from what I submitted.
My original patch [1] did treewide cleanups including the comedi driver.
Unfortunately, commit 8ffdff6a8cfb ("staging: comedi: move out of staging
directory") moved drivers/staging/comedi/ to drivers/comedi/ before my
patch landed on Linus' tree from akpm tree.
If Andrew Morton had used Git, 'git merge' would have resolved such file
moves properly without any manual intervention.
Patches in akpm tree often get broken in his quilt workflows, and then
people end up with sending fixup patches.
[1] https://lkml.kernel.org/r/20210324054457.1477489-1-masahiroy@kernel.org
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.kernel.org/r/20210510063450.412055-1-masahiroy@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The comedi code came into the kernel back in 2008, but traces its
lifetime to much much earlier. It's been polished and buffed and
there's really nothing preventing it from being part of the "real"
portion of the kernel.
So move it to drivers/comedi/ as it belongs there.
Many thanks to the hundreds of developers who did the work to make this
happen.
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: H Hartley Sweeten <hsweeten@visionengravers.com>
Link: https://lore.kernel.org/r/YHauop4u3sP6lz8j@kroah.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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