| commit | 06532750010e06dd4b6d69983773677df7fc5291 | [log] [tgz] |
|---|---|---|
| author | Eric Auger <eric.auger@redhat.com> | Mon Jul 22 18:51:49 2019 +0200 |
| committer | Christoph Hellwig <hch@lst.de> | Tue Jul 23 17:43:58 2019 +0200 |
| tree | 1405f8086f5465615024e5447062ead12f80ae7e | |
| parent | 7b5cf701ea9c395c792e2a7e3b7caf4c68b87721 [diff] |
dma-mapping: use dma_get_mask in dma_addressing_limited
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>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>