From: Lee Jones <lee.jones@linaro.org>
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: linux-kernel@vger.kernel.org,
Henrik Rydberg <rydberg@bitmath.org>,
James Hilliard <james.hilliard1@gmail.com>,
Daniel Ritz <daniel.ritz@gmx.ch>,
linux-input@vger.kernel.org
Subject: Re: [PATCH 07/15] input: touchscreen: usbtouchscreen: Remove unused variable 'ret'
Date: Fri, 13 Nov 2020 07:56:31 +0000 [thread overview]
Message-ID: <20201113075631.GI2787115@dell> (raw)
In-Reply-To: <20201113073655.GF356503@dtor-ws>
On Thu, 12 Nov 2020, Dmitry Torokhov wrote:
> On Thu, Nov 12, 2020 at 11:01:56AM +0000, Lee Jones wrote:
> > Fixes the following W=1 kernel build warning(s):
> >
> > drivers/input/touchscreen/usbtouchscreen.c: In function ‘nexio_read_data’:
> > drivers/input/touchscreen/usbtouchscreen.c:1052:50: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
> >
> > Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
> > Cc: Henrik Rydberg <rydberg@bitmath.org>
> > Cc: James Hilliard <james.hilliard1@gmail.com>
> > Cc: Daniel Ritz <daniel.ritz@gmx.ch>
> > Cc: linux-input@vger.kernel.org
> > Signed-off-by: Lee Jones <lee.jones@linaro.org>
> > ---
> > drivers/input/touchscreen/usbtouchscreen.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
> > index 397cb1d3f481b..c3b7130cd9033 100644
> > --- a/drivers/input/touchscreen/usbtouchscreen.c
> > +++ b/drivers/input/touchscreen/usbtouchscreen.c
> > @@ -1049,7 +1049,7 @@ static int nexio_read_data(struct usbtouch_usb *usbtouch, unsigned char *pkt)
> > unsigned int data_len = be16_to_cpu(packet->data_len);
> > unsigned int x_len = be16_to_cpu(packet->x_len);
> > unsigned int y_len = be16_to_cpu(packet->y_len);
> > - int x, y, begin_x, begin_y, end_x, end_y, w, h, ret;
> > + int x, y, begin_x, begin_y, end_x, end_y, w, h;
> >
> > /* got touch data? */
> > if ((pkt[0] & 0xe0) != 0xe0)
> > @@ -1061,7 +1061,7 @@ static int nexio_read_data(struct usbtouch_usb *usbtouch, unsigned char *pkt)
> > x_len -= 0x80;
> >
> > /* send ACK */
> > - ret = usb_submit_urb(priv->ack, GFP_ATOMIC);
> > + usb_submit_urb(priv->ack, GFP_ATOMIC);
>
> I wonder if we should handle potential errors instead.
Your call. I'll do whatever you decide.
--
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
Follow Linaro: Facebook | Twitter | Blog
next prev parent reply other threads:[~2020-11-13 7:56 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-12 11:01 [PATCH 00/15] [Set 2/2] Rid W=1 issues from Input Lee Jones
2020-11-12 11:01 ` [PATCH 01/15] input: joystick: xpad: Demote non-conformant kernel-doc header Lee Jones
2020-11-20 3:16 ` Dmitry Torokhov
2020-11-12 11:01 ` [PATCH 02/15] input: keyboard: samsung-keypad: Remove set but unused variable 'var' Lee Jones
2020-11-13 7:37 ` Dmitry Torokhov
2020-11-12 11:01 ` [PATCH 03/15] input: misc: mc13783-pwrbutton: File headers are not good candidates for kernel-doc Lee Jones
2020-11-20 3:16 ` Dmitry Torokhov
2020-11-12 11:01 ` [PATCH 04/15] input: touchscreen: goodix: Provide some missing function parameter descriptions Lee Jones
2020-11-20 3:16 ` Dmitry Torokhov
2020-11-12 11:01 ` [PATCH 05/15] input: touchscreen: imx6ul_tsc: Remove set but unused variable 'value' Lee Jones
2020-11-12 12:20 ` Bough Chen
2020-11-13 7:37 ` Dmitry Torokhov
2020-11-19 9:12 ` Lee Jones
2020-11-12 11:01 ` [PATCH 06/15] input: touchscreen: melfas_mip4: Remove a bunch of unused variables Lee Jones
2020-11-13 7:42 ` Dmitry Torokhov
2020-11-13 7:55 ` Lee Jones
2020-11-20 3:09 ` Dmitry Torokhov
2020-11-20 7:45 ` Lee Jones
2020-11-12 11:01 ` [PATCH 07/15] input: touchscreen: usbtouchscreen: Remove unused variable 'ret' Lee Jones
2020-11-13 7:36 ` Dmitry Torokhov
2020-11-13 7:56 ` Lee Jones [this message]
2020-11-20 3:09 ` Dmitry Torokhov
2020-11-12 11:01 ` [PATCH 08/15] input: touchscreen: surface3_spi: Remove set but unused variable 'timestamp' Lee Jones
2020-11-13 7:40 ` Dmitry Torokhov
2020-11-13 7:42 ` Benjamin Tissoires
2020-11-15 22:02 ` Peter Hutterer
2020-11-12 11:01 ` [PATCH 09/15] input: misc: wm831x-on: Source file headers are not good candidates for kernel-doc Lee Jones
2020-11-12 11:20 ` Richard Fitzgerald
2020-11-20 3:17 ` Dmitry Torokhov
2020-11-12 11:01 ` [PATCH 10/15] input: touchscreen: surface3_spi: Fix naming issue with 'surface3_spi_get_gpio_config's header Lee Jones
2020-11-20 3:16 ` Dmitry Torokhov
2020-11-12 11:02 ` [PATCH 11/15] input: touchscreen: wm97xx-core: Provide missing description for 'status' Lee Jones
2020-11-12 11:22 ` Richard Fitzgerald
2020-11-20 3:17 ` Dmitry Torokhov
2020-11-12 11:02 ` [PATCH 12/15] input: mouse: synaptics: Demote non-conformant kernel-doc header Lee Jones
2020-11-20 3:18 ` Dmitry Torokhov
2020-11-12 11:02 ` [PATCH 13/15] input: touchscreen: goodix: Fix misspelling of 'ctx' Lee Jones
2020-11-20 3:20 ` Dmitry Torokhov
2020-11-12 11:02 ` [PATCH 14/15] input: keyboard: applespi: Provide missing struct 'message' descriptions Lee Jones
2020-11-20 3:21 ` Dmitry Torokhov
2020-11-12 11:02 ` [PATCH 15/15] input: mouse: vmmouse: Demote obvious abuse of kernel-doc header Lee Jones
2020-11-20 3:21 ` Dmitry Torokhov
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