On Sat, Jul 04, 2020 at 12:41:07PM -0700, Alexander Duyck wrote:
> On Sat, Jul 4, 2020 at 9:37 AM Zekun Shen wrote:
> >
> > On Sat, Jul 04, 2020 at 09:05:48AM -0700, Alexander Duyck wrote:
> > > The upper limitation for the size should be 2K or FM10K_RX_BUFSZ, not
> > > PAGE_SIZE. Otherwise you ar
On Sat, Jul 4, 2020 at 9:37 AM Zekun Shen wrote:
>
> On Sat, Jul 04, 2020 at 09:05:48AM -0700, Alexander Duyck wrote:
> > The upper limitation for the size should be 2K or FM10K_RX_BUFSZ, not
> > PAGE_SIZE. Otherwise you are still capable of going out of bounds
> > because the offset is used withi
On Sat, Jul 04, 2020 at 09:05:48AM -0700, Alexander Duyck wrote:
> The upper limitation for the size should be 2K or FM10K_RX_BUFSZ, not
> PAGE_SIZE. Otherwise you are still capable of going out of bounds
> because the offset is used within the page to push the start of the
> region up by 2K.
PAGE_
On Fri, Jul 3, 2020 at 11:21 AM Zekun Shen wrote:
>
> Size is read from a dma region as input from device. Add sanity
> check of size before calling dma_sync_single_range_for_cpu
> with it.
>
> This would prevent DMA-API warning: device driver tries to sync DMA
> memory it has not allocated.
>
> S
Size is read from a dma region as input from device. Add sanity
check of size before calling dma_sync_single_range_for_cpu
with it.
This would prevent DMA-API warning: device driver tries to sync DMA
memory it has not allocated.
Signed-off-by: Zekun Shen
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drivers/net/ethernet/intel/fm10k/fm1
