On 03-01-21, 14:57, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> gcc points out an incorrect error handling loop:
>
> drivers/dma/qcom/gpi.c: In function 'gpi_ch_init':
> drivers/dma/qcom/gpi.c:1254:15: error: iteration 2 invokes undefined behavior [-Werror=aggressive-loop-optimizations]
> 1254 | struct gpii *gpii = gchan->gpii;
> | ^~~~
> drivers/dma/qcom/gpi.c:1951:2: note: within this loop
> 1951 | for (i = i - 1; i >= 0; i++) {
> | ^~~
>
> Change the loop to correctly walk backwards through the
> initialized fields rather than off into the woods.
Applied, thanks
--
~Vinod
