Commit fcdb9edc authored Feb 22, 2025 by Liu Jian

RDMA: Export ib_device_get_netdev()

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


CVE: CVE-2024-57795

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

Backport part of the code of commit 8d159eb2117b2.

Fixes: 8700e3e7 ("Soft RoCE driver")
Signed-off-by: Liu Jian <liujian56@huawei.com>

parent 4d88bf76

drivers/infiniband/core/device.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -2163,6 +2163,9 @@ 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];

		/*
		@@ -2191,6 +2194,7 @@ 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
		@@ -4326,6 +4326,8 @@ struct net_device ib_get_net_dev_by_params(struct ib_device dev, u8 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 net_device ib_device_netdev(struct ib_device dev, u8 port);

		struct ib_wq ib_create_wq(struct ib_pd pd,