Messages in this thread | | | From | Andreas Schwab <> | Subject | Re: [BISECTED REGRESSION] b43legacy broken on G4 PowerBook | Date | Tue, 11 Jun 2019 19:48:06 +0200 |
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On Jun 10 2019, Larry Finger <Larry.Finger@lwfinger.net> wrote:
> I do not understand why the if statement returns true as neither of the > values is zero.
That's because the format string does not make any sense. You are printing garbage.
> diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c > index f7afdad..ba2489d 100644 > --- a/kernel/dma/mapping.c > +++ b/kernel/dma/mapping.c > @@ -317,9 +317,12 @@ int dma_supported(struct device *dev, u64 mask) > > int dma_set_mask(struct device *dev, u64 mask) > { > + pr_info("mask 0x%llx, dma_mask 0x%llx, dma_supported 0x%llx\n", > mask, dev->dma_mask, > + dma_supported(dev, mask));
None of the format directives match the type of the arguments.
Andreas.
-- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."
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