From: Dan Carpenter <dan.carpenter@oracle.com>
To: Todd Poynor <toddpoynor@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
devel@driverdev.osuosl.org, Zhongze Hu <frankhu@chromium.org>,
John Joseph <jnjoseph@google.com>,
lkml <linux-kernel@vger.kernel.org>,
Simon Que <sque@chromium.org>,
Rob Springer <rspringer@google.com>,
Guenter Roeck <groeck@chromium.org>,
Todd Poynor <toddpoynor@google.com>,
Dmitry Torokhov <dtor@chromium.org>
Subject: Re: [PATCH 17/32] staging: gasket: annotate ioctl arg with __user
Date: Mon, 30 Jul 2018 10:00:47 +0300 [thread overview]
Message-ID: <20180730070047.7ornpqv66i5mi42g@mwanda> (raw)
In-Reply-To: <CAO3upoYdSkDqyLtD8cQh4kws5gdOcAEPSUHnsru23Uo=3c-uMQ@mail.gmail.com>
On Thu, Jul 19, 2018 at 07:44:53PM -0700, Todd Poynor wrote:
> >> @@ -549,7 +549,7 @@ struct gasket_driver_desc {
> >> * return -EINVAL. Should return an error status (either -EINVAL or
> >> * the error result of the ioctl being handled).
> >> */
> >> - long (*ioctl_handler_cb)(struct file *filp, uint cmd, ulong arg);
> >> + long (*ioctl_handler_cb)(struct file *filp, uint cmd, void __user *arg);
> >
> > Why are you not using the typedef above?
>
> There's a typedef for the permissions check callback, but not for the
> handler callback. It's a bit confusing, so I tried adding a typedef
> for the handler, but now checkpatch is spanking me for adding new
> typedefs -- maybe I should drop the existing typedef?
>
Someone should update checkpatch to not complain about function typedefs
because those are obviously OK. It wouldn't have even occured to me
that people were avoiding them because of checkpatch...
regards,
dan carpenter
next prev parent reply other threads:[~2018-07-30 7:01 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-17 20:56 [PATCH 00/32 v3] staging: gasket: sundry fixes and fixups Todd Poynor
2018-07-17 20:56 ` [PATCH 01/32] staging: gasket: remove X86 Kconfig restriction Todd Poynor
2018-07-17 20:56 ` [PATCH 02/32] staging: gasket: fix typo in apex_enter_reset Todd Poynor
2018-07-17 20:56 ` [PATCH 03/32] staging: gasket: fix typo in gasket_core.h comments Todd Poynor
2018-07-17 20:56 ` [PATCH 04/32] staging: gasket: whitespace fix in gasket_page_table_init Todd Poynor
2018-07-17 20:56 ` [PATCH 05/32] staging: gasket: remove driver registration on class creation failure Todd Poynor
2018-07-17 20:56 ` [PATCH 06/32] staging: gasket: hold mutex on gasket driver unregistration Todd Poynor
2018-07-17 20:56 ` [PATCH 07/32] staging: gasket: Return EBUSY on mapping create when already in use Todd Poynor
2018-07-17 20:56 ` [PATCH 08/32] staging: gasket: Remove stale pointers on error allocating attr array Todd Poynor
2018-07-17 20:56 ` [PATCH 09/32] staging: gasket: convert gasket_mmap_has_permissions to bool return Todd Poynor
2018-07-17 20:56 ` [PATCH 10/32] staging: gasket: fix gasket_wait_with_reschedule timeout return code Todd Poynor
2018-07-17 20:56 ` [PATCH 11/32] staging: gasket: gasket_wait_with_reschedule use msleep Todd Poynor
2018-07-17 20:56 ` [PATCH 12/32] staging: gasket: gasket_wait_with_reschedule simplify logic Todd Poynor
2018-07-17 20:56 ` [PATCH 13/32] staging: gasket: gasket_wait_with_reschedule use 32 bits of retry count Todd Poynor
2018-07-17 20:56 ` [PATCH 14/32] staging: gasket: bail out of reset sequence on device callback error Todd Poynor
2018-07-17 20:56 ` [PATCH 15/32] staging: gasket: drop gasket_cdev_get_info, use container_of Todd Poynor
2018-07-17 20:56 ` [PATCH 16/32] staging: gasket: always allow root open for write Todd Poynor
2018-07-19 9:29 ` Greg Kroah-Hartman
2018-07-19 23:47 ` Todd Poynor
2018-07-17 20:56 ` [PATCH 17/32] staging: gasket: annotate ioctl arg with __user Todd Poynor
2018-07-19 9:37 ` Greg Kroah-Hartman
2018-07-20 2:44 ` Todd Poynor
2018-07-20 5:43 ` Greg Kroah-Hartman
2018-07-30 7:00 ` Dan Carpenter [this message]
2018-07-17 20:56 ` [PATCH 18/32] staging: gasket: gasket_enable_dev remove unnecessary variable Todd Poynor
2018-07-17 20:56 ` [PATCH 19/32] staging: gasket: remove code for no physical device Todd Poynor
2018-07-17 20:57 ` [PATCH 20/32] staging: gasket: fix class create bug handling Todd Poynor
2018-07-17 20:57 ` [PATCH 21/32] staging: gasket: remove unnecessary code in coherent allocator Todd Poynor
2018-07-17 20:57 ` [PATCH 22/32] staging: gasket: don't treat no device reset callback as an error Todd Poynor
2018-07-17 20:57 ` [PATCH 23/32] staging: gasket: gasket_mmap return error instead of valid BAR index Todd Poynor
2018-07-17 20:57 ` [PATCH 24/32] staging: gasket: apex_clock_gating simplify logic, reduce indentation Todd Poynor
2018-07-17 20:57 ` [PATCH 25/32] staging: gasket: apex_ioctl_check_permissions use bool return type Todd Poynor
2018-07-17 20:57 ` [PATCH 26/32] staging: gasket: gasket page table functions " Todd Poynor
2018-07-17 20:57 ` [PATCH 27/32] staging: gasket: remove else clause after return in if clause Todd Poynor
2018-07-17 20:57 ` [PATCH 28/32] staging: gasket: fix comment syntax in apex.h Todd Poynor
2018-07-17 20:57 ` [PATCH 29/32] staging: gasket: remove unnecessary parens in page table code Todd Poynor
2018-07-17 20:57 ` [PATCH 30/32] staging: gasket: gasket_mmap use PAGE_MASK Todd Poynor
2018-07-17 20:57 ` [PATCH 31/32] staging: gasket: remove extra parens in gasket_write_mappable_regions Todd Poynor
2018-07-17 20:57 ` [PATCH 32/32] staging: gasket: fix multi-line comment syntax in gasket_core.h Todd Poynor
-- strict thread matches above, loose matches on Subject: below --
2018-07-17 2:08 [PATCH 00/32 v2] staging: gasket: sundry fixes and fixups Todd Poynor
2018-07-17 2:09 ` [PATCH 17/32] staging: gasket: annotate ioctl arg with __user Todd Poynor
2018-07-17 10:26 ` Dan Carpenter
2018-07-17 18:20 ` Todd Poynor
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