On Fri, Sep 16, 2016 at 04:05:22PM +0200, Arnd Bergmann wrote: > On Friday, September 16, 2016 2:51:22 PM CEST Krzysztof Kozlowski wrote: > > > diff --git a/drivers/dma/s3c24xx-dma.c b/drivers/dma/s3c24xx-dma.c > > > index b4a7041c4f81..2ec47478110b 100644 > > > --- a/drivers/dma/s3c24xx-dma.c > > > +++ b/drivers/dma/s3c24xx-dma.c > > > @@ -1418,7 +1418,7 @@ bool s3c24xx_dma_filter(struct dma_chan *chan, void *param) > > > > > > s3cchan = to_s3c24xx_dma_chan(chan); > > > > > > - return s3cchan->id == (int)param; > > > + return s3cchan->id == (long)param; > > > > The 'id' is an int so the cast might trick someone to think it is an > > long. Also commit message suggests that the over-size cast issue is > > fixed... but it is not. If the ID > INT_MAX then the problem will > > silently occur. It does not look like a real issue but how about fixing > > it completely by switching 'id' to long? > > This is about compile-testing on 64-bit architectures, where a cast from > pointer to 'int' causes a warning. I think the intention would be clearer > if using > > return s3cchan->id == (uintptr_t)param; I like it. Fixes the warning and the cast is obvious. Best regards, Krzysztof -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
