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RDMA/erdma: Defer probing if netdevice can not be found

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[ Upstream commit 6bd1bca858f1734a75572a788213d1e1143f2f0a ]

ERDMA device may be probed before its associated netdevice, returning
-EPROBE_DEFER allows OS try to probe erdma device later.

Fixes: d55e6fb480 ("RDMA/erdma: Add the erdma module")
Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230320084652.16807-5-chengyou@linux.alibaba.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Cheng Xu 2023-03-20 16:46:52 +08:00 committed by Greg Kroah-Hartman
parent d682c9bc41
commit 132918e08e
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/erdma/erdma_main.c
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@ -56,7 +56,7 @@ static int erdma_netdev_event(struct notifier_block *nb, unsigned long event,
static int erdma_enum_and_get_netdev(struct erdma_dev *dev)
{
struct net_device *netdev;
int ret = -ENODEV;
int ret = -EPROBE_DEFER;
/* Already binded to a net_device, so we skip. */
if (dev->netdev)