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RDMA/core: Use the DEVICE_ATTR_RO macro

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Use the DEVICE_ATTR_RO() helper instead of plain DEVICE_ATTR(), which
makes the code a bit shorter and easier to read.

Link: https://lore.kernel.org/r/20210526132949.20184-1-yuehaibing@huawei.com
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
YueHaibing 2021-05-26 21:29:49 +08:00 committed by Jason Gunthorpe
parent 1f8f60f35f
commit c5b8eaf8af
1 changed files with 3 additions and 4 deletions
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7
drivers/infiniband/core/ucma.c
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@ -1830,13 +1830,12 @@ static struct ib_client rdma_cma_client = {
};
MODULE_ALIAS_RDMA_CLIENT("rdma_cm");
static ssize_t show_abi_version(struct device *dev,
struct device_attribute *attr,
char *buf)
static ssize_t abi_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sysfs_emit(buf, "%d\n", RDMA_USER_CM_ABI_VERSION);
}
static DEVICE_ATTR(abi_version, S_IRUGO, show_abi_version, NULL);
static DEVICE_ATTR_RO(abi_version);
static int __init ucma_init(void)
{