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udp_tunnel: use netdev_warn() instead of netdev_WARN()

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[ Upstream commit dc2f650f7e6857bf384069c1a56b2937a1ee370d ]

netdev_WARN() uses WARN/WARN_ON to print a backtrace along with
file and line information. In this case, udp_tunnel_nic_register()
returning an error is just a failed operation, not a kernel bug.

udp_tunnel_nic_register() can fail due to a memory allocation
failure (kzalloc() or udp_tunnel_nic_alloc()).
This is a normal runtime error and not a kernel bug.

Replace netdev_WARN() with netdev_warn() accordingly.

Signed-off-by: Alok Tiwari <alok.a.tiwari@oracle.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250910195031.3784748-1-alok.a.tiwari@oracle.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Alok Tiwari
2025-09-10 12:50:26 -07:00
committed by Greg Kroah-Hartman
parent ee957d6c08
commit c018a87942
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/udp_tunnel_nic.c
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@@ -899,7 +899,7 @@ udp_tunnel_nic_netdevice_event(struct notifier_block *unused,
err = udp_tunnel_nic_register(dev);
if (err)
netdev_WARN(dev, "failed to register for UDP tunnel offloads: %d", err);
netdev_warn(dev, "failed to register for UDP tunnel offloads: %d", err);
return notifier_from_errno(err);
}
/* All other events will need the udp_tunnel_nic state */