Messages in this thread | | | Date | Tue, 23 Jul 2019 17:37:39 +0200 | From | Christoph Hellwig <> | Subject | Re: [PATCH v2] dma-mapping: Use dma_get_mask in dma_addressing_limited |
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On Mon, Jul 22, 2019 at 06:56:49PM +0200, Auger Eric wrote: > Hi Christoph, > > On 7/22/19 6:51 PM, Eric Auger wrote: > > We currently have cases where the dma_addressing_limited() gets > > called with dma_mask unset. This causes a NULL pointer dereference. > > > > Use dma_get_mask() accessor to prevent the crash. > > > > Fixes: b866455423e0 ("dma-mapping: add a dma_addressing_limited helper") > > Signed-off-by: Eric Auger <eric.auger@redhat.com> > > As a follow-up of my last email, here is a patch featuring > dma_get_mask(). But you don't have the WARN_ON_ONCE anymore, pointing > out suspect users. > > Feel free to pick up your preferred approach
I can take this for now as we are past the merge window.
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