364379c056
The automatic recalculation of the maximum allowed MTU is usually triggered
by code sections which are already rtnl lock protected by callers outside
of batman-adv. But when the fragmentation setting is changed via
batman-adv's own batadv genl family, then the rtnl lock is not yet taken.
But dev_set_mtu requires that the caller holds the rtnl lock because it
uses netdevice notifiers. And this code will then fail the check for this
lock:
RTNL: assertion failed at net/core/dev.c (1953)
Fixes:
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.. | ||
0001-Revert-batman-adv-Migrate-to-linux-container_of.h.patch | ||
0002-fix-batadv_is_cfg80211_netdev.patch | ||
0003-batman-adv-Hold-rtnl-lock-during-MTU-update-via-netl.patch |