diff options
Diffstat (limited to 'drivers/of/address.c')
| -rw-r--r-- | drivers/of/address.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/of/address.c b/drivers/of/address.c index 590493e04b01..945b3d785f44 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -985,6 +985,11 @@ int of_dma_get_range(struct device_node *np, u64 *dma_addr, u64 *paddr, u64 *siz /* Don't error out as we'd break some existing DTs */ continue; } + if (range.cpu_addr == OF_BAD_ADDR) { + pr_err("translation of DMA address(%llx) to CPU address failed node(%pOF)\n", + range.bus_addr, node); + continue; + } dma_offset = range.cpu_addr - range.bus_addr; /* Take lower and upper limits */ |