nvme: Fix warning of cast from pointer to integer of different size
When dma_addr_t is u32 in 64-bit, there are some warnings when
building NVME driver. Fix it by doing an additional (long) cast.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/drivers/nvme/nvme.c b/drivers/nvme/nvme.c
index 1ee0a0a..d4965e2 100644
--- a/drivers/nvme/nvme.c
+++ b/drivers/nvme/nvme.c
@@ -577,7 +577,7 @@
int ret;
int shift = NVME_CAP_MPSMIN(dev->cap) + 12;
- ret = nvme_identify(dev, 0, 1, (dma_addr_t)ctrl);
+ ret = nvme_identify(dev, 0, 1, (dma_addr_t)(long)ctrl);
if (ret)
return -EIO;
@@ -646,7 +646,7 @@
ns->dev = ndev;
/* extract the namespace id from the block device name */
ns->ns_id = trailing_strtol(udev->name) + 1;
- if (nvme_identify(ndev, ns->ns_id, 0, (dma_addr_t)id))
+ if (nvme_identify(ndev, ns->ns_id, 0, (dma_addr_t)(long)id))
return -EIO;
flbas = id->flbas & NVME_NS_FLBAS_LBA_MASK;
diff --git a/drivers/nvme/nvme_show.c b/drivers/nvme/nvme_show.c
index 395b061..15e459d 100644
--- a/drivers/nvme/nvme_show.c
+++ b/drivers/nvme/nvme_show.c
@@ -111,14 +111,14 @@
ALLOC_CACHE_ALIGN_BUFFER(char, buf_ctrl, sizeof(struct nvme_id_ctrl));
struct nvme_id_ctrl *ctrl = (struct nvme_id_ctrl *)buf_ctrl;
- if (nvme_identify(dev, 0, 1, (dma_addr_t)ctrl))
+ if (nvme_identify(dev, 0, 1, (dma_addr_t)(long)ctrl))
return -EIO;
print_optional_admin_cmd(le16_to_cpu(ctrl->oacs), ns->devnum);
print_optional_nvm_cmd(le16_to_cpu(ctrl->oncs), ns->devnum);
print_format_nvme_attributes(ctrl->fna, ns->devnum);
- if (nvme_identify(dev, ns->ns_id, 0, (dma_addr_t)id))
+ if (nvme_identify(dev, ns->ns_id, 0, (dma_addr_t)(long)id))
return -EIO;
print_formats(id, ns);