From: Jonathan Cameron <jic23@kernel.org> To: Julia Lawall <Julia.Lawall@lip6.fr> Cc: Jiri Kosina <jikos@kernel.org>, keescook@chromium.org, kernel-janitors@vger.kernel.org, Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>, Hartmut Knaack <knaack.h@gmx.de>, Lars-Peter Clausen <lars@metafoo.de>, Peter Meerwald-Stadler <pmeerw@pmeerw.net>, linux-input@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 09/11] iio: orientation: hid-sensor-rotation: Drop unnecessary static Date: Mon, 17 Jul 2017 21:45:31 +0100 [thread overview] Message-ID: <20170717214531.6fbc6cfa@kernel.org> (raw) In-Reply-To: <1500149266-32357-10-git-send-email-Julia.Lawall@lip6.fr> On Sat, 15 Jul 2017 22:07:44 +0200 Julia Lawall <Julia.Lawall@lip6.fr> wrote: > Drop static on a local variable, when the variable is initialized before > any possible use. Thus, the static has no benefit. > > The semantic patch that fixes this problem is as follows: > (http://coccinelle.lip6.fr/) > > // <smpl> > @bad exists@ > position p; > identifier x; > type T; > @@ > static T x@p; > ... > x = <+...x...+> > > @@ > identifier x; > expression e; > type T; > position p != bad.p; > @@ > -static > T x@p; > ... when != x > when strict > ?x = e; > // </smpl> > > Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Applied to the togreg branch of iio.git and pushed out as testing for the autobuilders to play with it. Thanks, Jonathan > > --- > These patches are all independent of each other. > > drivers/iio/orientation/hid-sensor-rotation.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff -u -p a/drivers/iio/orientation/hid-sensor-rotation.c b/drivers/iio/orientation/hid-sensor-rotation.c > --- a/drivers/iio/orientation/hid-sensor-rotation.c > +++ b/drivers/iio/orientation/hid-sensor-rotation.c > @@ -238,7 +238,7 @@ static int dev_rot_parse_report(struct p > static int hid_dev_rot_probe(struct platform_device *pdev) > { > int ret; > - static char *name; > + char *name; > struct iio_dev *indio_dev; > struct dev_rot_state *rot_state; > struct hid_sensor_hub_device *hsdev = pdev->dev.platform_data; >
WARNING: multiple messages have this Message-ID (diff)
From: Jonathan Cameron <jic23@kernel.org> To: Julia Lawall <Julia.Lawall@lip6.fr> Cc: Jiri Kosina <jikos@kernel.org>, keescook@chromium.org, kernel-janitors@vger.kernel.org, Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>, Hartmut Knaack <knaack.h@gmx.de>, Lars-Peter Clausen <lars@metafoo.de>, Peter Meerwald-Stadler <pmeerw@pmeerw.net>, linux-input@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 09/11] iio: orientation: hid-sensor-rotation: Drop unnecessary static Date: Mon, 17 Jul 2017 20:45:31 +0000 [thread overview] Message-ID: <20170717214531.6fbc6cfa@kernel.org> (raw) In-Reply-To: <1500149266-32357-10-git-send-email-Julia.Lawall@lip6.fr> On Sat, 15 Jul 2017 22:07:44 +0200 Julia Lawall <Julia.Lawall@lip6.fr> wrote: > Drop static on a local variable, when the variable is initialized before > any possible use. Thus, the static has no benefit. > > The semantic patch that fixes this problem is as follows: > (http://coccinelle.lip6.fr/) > > // <smpl> > @bad exists@ > position p; > identifier x; > type T; > @@ > static T x@p; > ... > x = <+...x...+> > > @@ > identifier x; > expression e; > type T; > position p != bad.p; > @@ > -static > T x@p; > ... when != x > when strict > ?x = e; > // </smpl> > > Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Applied to the togreg branch of iio.git and pushed out as testing for the autobuilders to play with it. Thanks, Jonathan > > --- > These patches are all independent of each other. > > drivers/iio/orientation/hid-sensor-rotation.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff -u -p a/drivers/iio/orientation/hid-sensor-rotation.c b/drivers/iio/orientation/hid-sensor-rotation.c > --- a/drivers/iio/orientation/hid-sensor-rotation.c > +++ b/drivers/iio/orientation/hid-sensor-rotation.c > @@ -238,7 +238,7 @@ static int dev_rot_parse_report(struct p > static int hid_dev_rot_probe(struct platform_device *pdev) > { > int ret; > - static char *name; > + char *name; > struct iio_dev *indio_dev; > struct dev_rot_state *rot_state; > struct hid_sensor_hub_device *hsdev = pdev->dev.platform_data; >
next prev parent reply other threads:[~2017-07-17 20:45 UTC|newest] Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-07-15 20:07 [PATCH 00/11] Drop unnecessary static Julia Lawall 2017-07-15 20:07 ` Julia Lawall 2017-07-15 20:07 ` Julia Lawall 2017-07-15 20:07 ` Julia Lawall 2017-07-15 20:07 ` Julia Lawall 2017-07-15 20:07 ` [PATCH 01/11] clk: mmp: " Julia Lawall 2017-07-15 20:07 ` Julia Lawall 2017-07-18 1:31 ` Stephen Boyd 2017-07-18 1:31 ` Stephen Boyd 2017-07-15 20:07 ` [PATCH 02/11] clk: moxart: " Julia Lawall 2017-07-15 20:07 ` Julia Lawall 2017-07-18 1:31 ` Stephen Boyd 2017-07-18 1:31 ` Stephen Boyd 2017-07-15 20:07 ` [PATCH 03/11] mtd: physmap_of: " Julia Lawall 2017-07-15 20:07 ` Julia Lawall 2017-07-17 19:58 ` Boris Brezillon 2017-07-17 19:58 ` Boris Brezillon 2017-08-17 12:58 ` Boris Brezillon 2017-08-17 12:58 ` Boris Brezillon 2017-07-15 20:07 ` [PATCH 04/11] fbdev: da8xx-fb: " Julia Lawall 2017-07-15 20:07 ` Julia Lawall 2017-08-01 13:09 ` Bartlomiej Zolnierkiewicz 2017-08-01 13:09 ` Bartlomiej Zolnierkiewicz 2017-07-15 20:07 ` [PATCH 05/11] irqchip/gic/realview: " Julia Lawall 2017-07-15 20:07 ` Julia Lawall 2017-07-18 20:06 ` [tip:irq/urgent] " tip-bot for Julia Lawall 2017-07-15 20:07 ` [PATCH 06/11] irqchip: mips-cpu: " Julia Lawall 2017-07-15 20:07 ` Julia Lawall 2017-07-15 20:52 ` Mark D Rustad 2017-07-15 20:52 ` Mark D Rustad 2017-07-15 20:59 ` Julia Lawall 2017-07-15 20:59 ` Julia Lawall 2017-07-16 6:04 ` Mark D Rustad 2017-07-16 6:04 ` Mark D Rustad 2017-07-18 20:07 ` [tip:irq/urgent] irqchip/mips-cpu: " tip-bot for Julia Lawall 2017-07-15 20:07 ` [PATCH 07/11] mfd: " Julia Lawall 2017-07-15 20:07 ` Julia Lawall 2017-07-15 20:49 ` Mark D Rustad 2017-07-15 20:49 ` Mark D Rustad 2017-07-15 20:56 ` Julia Lawall 2017-07-15 20:56 ` Julia Lawall 2017-07-24 19:20 ` Pavel Machek 2017-07-24 19:20 ` Pavel Machek 2017-07-24 22:27 ` Kees Cook 2017-07-24 22:27 ` Kees Cook 2017-07-25 8:00 ` Lee Jones 2017-07-25 8:00 ` Lee Jones 2017-07-15 20:07 ` [PATCH 08/11] ata: " Julia Lawall 2017-07-15 20:07 ` Julia Lawall 2017-08-02 8:23 ` Linus Walleij 2017-08-02 8:23 ` Linus Walleij 2017-08-02 15:12 ` Tejun Heo 2017-08-02 15:12 ` Tejun Heo 2017-07-15 20:07 ` [PATCH 09/11] iio: orientation: hid-sensor-rotation: " Julia Lawall 2017-07-15 20:07 ` Julia Lawall 2017-07-17 20:45 ` Jonathan Cameron [this message] 2017-07-17 20:45 ` Jonathan Cameron 2017-07-15 20:07 ` [PATCH 10/11] irqchip: digicolor: " Julia Lawall 2017-07-15 20:07 ` Julia Lawall 2017-07-15 20:07 ` Julia Lawall 2017-07-16 4:49 ` Baruch Siach 2017-07-16 4:49 ` Baruch Siach 2017-07-16 4:49 ` Baruch Siach 2017-07-18 20:07 ` [tip:irq/urgent] irqchip/digicolor: " tip-bot for Julia Lawall 2017-07-15 20:07 ` [PATCH 11/11] mfd: max8925-i2c: " Julia Lawall 2017-07-15 20:07 ` Julia Lawall 2017-07-18 7:23 ` Lee Jones 2017-07-18 7:23 ` Lee Jones 2017-07-15 20:37 ` [PATCH 00/11] " Joe Perches 2017-07-15 20:37 ` Joe Perches 2017-07-15 20:37 ` Joe Perches 2017-07-15 21:00 ` Julia Lawall 2017-07-15 21:00 ` Julia Lawall 2017-07-15 21:00 ` Julia Lawall
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