[PATCH 25/32] usb: early: ehci-dbgp: Remove set but never checked variable 'ret'
Lee Jones
lee.jones at linaro.org
Mon Jul 6 13:57:33 EDT 2020
On Mon, 06 Jul 2020, Eric W. Biederman wrote:
> Lee Jones <lee.jones at linaro.org> writes:
>
> > 'ret' hasn't been checked since the driver's inception in 2009.
>
> Minor quibble the inception was in 5c05917e7fe3 ("x86: usb debug port
> early console, v4") in July of 2008.
I'm only going back as far as the inception of ehci-dbgp.c.
> Acked-by: "Eric W. Biederman" <ebiederm at xmission.com>
Great, thanks.
> > Fixes the following W=1 kernel build warning(s):
> >
> > drivers/usb/early/ehci-dbgp.c: In function ‘early_dbgp_write’:
> > drivers/usb/early/ehci-dbgp.c:915:13: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
> > 915 | int chunk, ret;
> > | ^~~
> >
> > Cc: Sumit Garg <sumit.garg at linaro.org>
> > Cc: Daniel Thompson <daniel.thompson at linaro.org>
> > Cc: Douglas Anderson <dianders at chromium.org>
> > Cc: Petr Mladek <pmladek at suse.com>
> > Cc: "Eric W. Biederman" <ebiederm at xmission.com>
> > Cc: Yinghai Lu <yhlu.kernel at gmail.com>
> > Cc: Jason Wessel <jason.wessel at windriver.com>
> > Signed-off-by: Lee Jones <lee.jones at linaro.org>
> > ---
> > drivers/usb/early/ehci-dbgp.c | 6 +++---
> > 1 file changed, 3 insertions(+), 3 deletions(-)
--
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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