Linux kernel bug fix: net: dsa: Check existence of .port_mdb_add callback before calling it
Subsystem: networking (net/dsa/switch.c)
Bug type: null-deref, severity: high
Keywords: null pointer
Files changed: net/dsa/switch.c
Introduced by Vivien Didelot on 2017-12-02 21:18:56 -0500; fixed by Chen-Yu Tsai on 2019-08-11 21:36:51 -0700 (lifetime: 617 days)