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SubjectRe: [PATCH] ARM: dove: fix returnvar.cocci warnings
* Arnd Bergmann <arnd@arndb.de> [220503 07:18]:
> On Tue, May 3, 2022 at 4:45 AM kernel test robot <lkp@intel.com> wrote:
> >
> > From: kernel test robot <lkp@intel.com>
> >
> > arch/arm/mach-omap2/dma.c:82:10-16: Unneeded variable: "errata". Return "0" on line 161
> >
> >
> > Remove unneeded variable used to store return value.
> >
> > Generated by: scripts/coccinelle/misc/returnvar.cocci
> >
> > Reported-by: kernel test robot <lkp@intel.com>
> > Signed-off-by: kernel test robot <lkp@intel.com>
>
> I checked the patch, and unfortunately it is wrong, the current code
> needs to stay.
> The problem is the SET_DMA_ERRATA() macro that accesses the
> local 'errata' variable.

Yeah this one keeps popping up. Maybe we can make SET_DMA_ERRATA
into a function or have it at least change it to set the errata
value.

Regards,

Tony

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