* Arnd Bergmann <arnd@xxxxxxxx> [220503 08:12]: > On Tue, May 3, 2022 at 9:30 AM Tony Lindgren <tony@xxxxxxxxxxx> wrote: > > * Arnd Bergmann <arnd@xxxxxxxx> [220503 07:18]: > > > On Tue, May 3, 2022 at 4:45 AM kernel test robot <lkp@xxxxxxxxx> wrote: > > > > > > > > From: kernel test robot <lkp@xxxxxxxxx> > > > > > > > > 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@xxxxxxxxx> > > > > Signed-off-by: kernel test robot <lkp@xxxxxxxxx> > > > > > > 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. > > I would just remove the macro and open-code the assignment, which > I think makes it more readable to both people and tools. Yeah agree after looking at the macro :) Regards, Tony