From: Tobias Regnery <tobias.regn...@gmail.com> Date: Fri, 31 Mar 2017 11:44:52 +0200
> After commit 96567d5dacf4 ("net: dsa: dsa2: Add basic support of devlink") > I see the following link error with CONFIG_NET_DSA=y and CONFIG_NET_DEVLINK=m: > > net/built-in.o: In function 'dsa_register_switch': > (.text+0xe226b): undefined reference to `devlink_alloc' > net/built-in.o: In function 'dsa_register_switch': > (.text+0xe2284): undefined reference to `devlink_register' > net/built-in.o: In function 'dsa_register_switch': > (.text+0xe243e): undefined reference to `devlink_port_register' > net/built-in.o: In function 'dsa_register_switch': > (.text+0xe24e1): undefined reference to `devlink_port_register' > net/built-in.o: In function 'dsa_register_switch': > (.text+0xe24fa): undefined reference to `devlink_port_type_eth_set' > net/built-in.o: In function 'dsa_dst_unapply.part.8': > dsa2.c:(.text.unlikely+0x345): undefined reference to > 'devlink_port_unregister' > dsa2.c:(.text.unlikely+0x36c): undefined reference to > 'devlink_port_unregister' > dsa2.c:(.text.unlikely+0x38e): undefined reference to > 'devlink_port_unregister' > dsa2.c:(.text.unlikely+0x3f2): undefined reference to 'devlink_unregister' > dsa2.c:(.text.unlikely+0x3fb): undefined reference to 'devlink_free' > > Fix this by adding a dependency on MAY_USE_DEVLINK so that CONFIG_NET_DSA > get switched to be build as module when CONFIG_NET_DEVLINK=m. > > Fixes: 96567d5dacf4 ("net: dsa: dsa2: Add basic support of devlink") > Signed-off-by: Tobias Regnery <tobias.regn...@gmail.com> Applied.