From: Leon Romanovsky <leonro@xxxxxxxxxxxx>
Generic implementation of IB device rename function.
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
drivers/infiniband/core/core_priv.h | 1 +
drivers/infiniband/core/device.c | 23 +++++++++++++++++++++++
2 files changed, 24 insertions(+)
diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h
index d7399d5b1cb6..c5881756b799 100644
--- a/drivers/infiniband/core/core_priv.h
+++ b/drivers/infiniband/core/core_priv.h
@@ -87,6 +87,7 @@ int ib_device_register_sysfs(struct ib_device *device,
int (*port_callback)(struct ib_device *,
u8, struct kobject *));
void ib_device_unregister_sysfs(struct ib_device *device);
+int ib_device_rename(struct ib_device *ibdev, const char *name);
typedef void (*roce_netdev_callback)(struct ib_device *device, u8 port,
struct net_device *idev, void *cookie);
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index a9bc2a3f490c..36b79cd6b620 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -178,6 +178,29 @@ void ib_device_get_name(struct ib_device *ibdev, char *name)
}
EXPORT_SYMBOL(ib_device_get_name);
+int ib_device_rename(struct ib_device *ibdev, const char *name)
+{
+ struct ib_device *device;
+ int ret = 0;
+
+ if (!strcmp(name, ibdev->name))
+ return ret;
+
+ mutex_lock(&device_mutex);
+ list_for_each_entry(device, &device_list, core_list) {
+ if (!strcmp(name, device->name)) {
+ ret = -EEXIST;
+ goto out;
+ }
+ }
+
+ strlcpy(ibdev->name, name, IB_DEVICE_NAME_MAX);
+ ret = device_rename(&ibdev->dev, name);
+out:
+ mutex_unlock(&device_mutex);
+ return ret;
+}
+
static int alloc_name(char *name)
{
unsigned long *inuse;
--
2.14.4
