[PATCH 27/67] dma-direct: add dma address sanity checks

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, Dec 29, 2017 at 03:12:25PM +0100, Geert Uytterhoeven wrote:
> > +check_addr(struct device *dev, dma_addr_t dma_addr, size_t size,
> > +               const char *caller)
> > +{
> > +       if (unlikely(dev && !dma_capable(dev, dma_addr, size))) {
> > +               if (*dev->dma_mask >= DMA_BIT_MASK(32)) {
> > +                       dev_err(dev,
> > +                               "%s: overflow %llx+%zu of device mask %llx\n",
> 
> Please use "%pad" to format dma_addr_t ...
> 
> > +                               caller, (long long)dma_addr, size,
> 
> ... and use &dma_addr.
> 
> > +                               (long long)*dev->dma_mask);
> 
> This cast is not needed, as u64 is unsigned long long in kernelspace on
> all architectures.

Thanks, fixed.



[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]

  Powered by Linux