Re: [GIT PULL 1/9] intel_th: msu: Fix unused variable warning on arm64 platform

[Greg Kroah-Hartman]

On Wed, Jul 03, 2019 at 06:54:05PM +0300, Alexander Shishkin wrote:
> Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> writes:
> 
> > On Thu, Jun 27, 2019 at 03:51:44PM +0300, Alexander Shishkin wrote:
> >> From: Shaokun Zhang <zhangshaokun@xxxxxxxxxxxxx>
> >> 
> >> Commit ba39bd8306057 ("intel_th: msu: Switch over to scatterlist")
> >> introduced the following warnings on non-x86 architectures, as a result
> >> of reordering the multi mode buffer allocation sequence:
> >> 
> >> > drivers/hwtracing/intel_th/msu.c: In function âmsc_buffer_win_allocâ:
> >> > drivers/hwtracing/intel_th/msu.c:783:21: warning: unused variable âiâ
> >> > [-Wunused-variable]
> >> > int ret = -ENOMEM, i;
> >> >                    ^
> >> > drivers/hwtracing/intel_th/msu.c: In function âmsc_buffer_win_freeâ:
> >> > drivers/hwtracing/intel_th/msu.c:863:6: warning: unused variable âiâ
> >> > [-Wunused-variable]
> >> > int i;
> >> >     ^
> >> 
> >> Fix this compiler warning by factoring out set_memory sequences and making
> >> them x86-only.
> >> 
> >> Suggested-by: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
> >> Signed-off-by: Shaokun Zhang <zhangshaokun@xxxxxxxxxxxxx>
> >> Fixes: ba39bd8306057 ("intel_th: msu: Switch over to scatterlist")
> >> Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> >> Signed-off-by: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
> >> ---
> >>  drivers/hwtracing/intel_th/msu.c | 40 +++++++++++++++++++++-----------
> >>  1 file changed, 27 insertions(+), 13 deletions(-)
> >
> > Does not apply to my tree :(
> 
> It's the same one as the one in the fixes series. I just put it here for
> completeness.

to be extra sure it was really applied?  that's funny...