tree 401eb155ec1d7a3da73a0d6312f8208d6c853ec8
parent 4323c339e0b9972fc6d1f11b8d4ed23bea715537
author developer <developer@mediatek.com> 1670219560 +0800
committer developer <developer@mediatek.com> 1670566714 +0800

[][kernel][common][hnat][Fix the problem that deleting wifi subinterface fails]

[Description]
Fix the problem that deleting wifi subinterface fails.
Fix duplication of adding the same subinterface to whnat_interface.

The previous code will fail when encountering the following situations:
1:Add subinterface to whnat_interface and then delete it,
finally, delete the subinterface failed.
2:Add wifi subinterface(eg:rax0.200) to whnat_interface, then rax0 down,
add the same wifi subinterface to whnat_interface through echo command.
there are two identical wifi subinrefaces in whnat_interface.

The patch fix these.

[Release-log]
N/A


Change-Id: I6ae98fbfc12522cfd6528df81509e5bc30a87e76
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6873054