Only set IFLA_XFRM_IF_ID if not 0 #735
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A value of 0 for IFLA_XFRM_IF_ID is not valid and will be rejected by the kernel by returning EINVAL, see [1]. Thus, only set the IFLA_XFRM_IF_ID attribute in case Xfrmi.Ifid != 0. [1] https://github.com/torvalds/linux/blob/8efd0d9c316af470377894a6a0f9ff63ce18c177/net/xfrm/xfrm_interface.c#L645-L648
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@vishvananda @aboch could one of you please take a look? |
aboch
approved these changes
Feb 24, 2022
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A value of 0 for IFLA_XFRM_IF_ID is not valid and will be rejected by
the kernel by returning EINVAL, see [1]. Thus, only set the
IFLA_XFRM_IF_ID attribute in case Xfrmi.Ifid != 0.
[1] https://github.com/torvalds/linux/blob/8efd0d9c316af470377894a6a0f9ff63ce18c177/net/xfrm/xfrm_interface.c#L645-L648