Commit f805cbf4 authored by Liu Jian's avatar Liu Jian
Browse files

RDMA: Export ib_device_get_netdev() 

hulk inclusion
category: bugfix
bugzilla: https://gitee.com/src-openeuler/kernel/issues/IBI67U


CVE: CVE-2024-57857

--------------------------------

Backport part of the code of commit 8d159eb2117b2.

Fixes: bdcf26bf ("rdma/siw: network and RDMA core interface")
Signed-off-by: default avatarLiu Jian <liujian56@huawei.com>
parent 7b875ea7

drivers/infiniband/core/device.c

+4 −0
Original line number Diff line number Diff line
@@ -2218,6 +2218,9 @@ struct net_device *ib_device_get_netdev(struct ib_device *ib_dev, 
	if (!rdma_is_port_valid(ib_dev, port))

		return NULL;



	if (!ib_dev->port_data)

		return NULL;



	pdata = &ib_dev->port_data[port];



	/*
@@ -2245,6 +2248,7 @@ struct net_device *ib_device_get_netdev(struct ib_device *ib_dev, 


	return res;

}

EXPORT_SYMBOL(ib_device_get_netdev);



/**

 * ib_device_get_by_netdev - Find an IB device associated with a netdev

include/rdma/ib_verbs.h

+2 −0
Original line number Diff line number Diff line
@@ -4456,6 +4456,8 @@ struct net_device *ib_get_net_dev_by_params(struct ib_device *dev, u32 port, 
					    const struct sockaddr *addr);

int ib_device_set_netdev(struct ib_device *ib_dev, struct net_device *ndev,

			 unsigned int port);

struct net_device *ib_device_get_netdev(struct ib_device *ib_dev,

					u32 port);

struct ib_wq *ib_create_wq(struct ib_pd *pd,

			   struct ib_wq_init_attr *init_attr);

int ib_destroy_wq_user(struct ib_wq *wq, struct ib_udata *udata);