From 76dd7068e32cec3389474d6f69ffd4d0536172da Mon Sep 17 00:00:00 2001 From: Robin Murphy Date: Thu, 4 Jul 2019 14:54:12 +0100 Subject: [PATCH] of: address: Report of_dma_get_range() errors meaningfully If we failed to translate a DMA address, at least show the offending address rather than the uninitialised contents of the destination argument. Signed-off-by: Robin Murphy Reviewed-by: Geert Uytterhoeven Tested-by: Nicolas Saenz Julienne Reviewed-by: Nicolas Saenz Julienne Reviewed-by: Christoph Hellwig Signed-off-by: Rob Herring --- drivers/of/address.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/of/address.c b/drivers/of/address.c index 8e354d12fb04..53d2656c2269 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -955,8 +955,8 @@ int of_dma_get_range(struct device_node *np, u64 *dma_addr, u64 *paddr, u64 *siz dmaaddr = of_read_number(ranges, naddr); *paddr = of_translate_dma_address(np, ranges); if (*paddr == OF_BAD_ADDR) { - pr_err("translation of DMA address(%pad) to CPU address failed node(%pOF)\n", - dma_addr, np); + pr_err("translation of DMA address(%llx) to CPU address failed node(%pOF)\n", + dmaaddr, np); ret = -EINVAL; goto out; }