On Fri, Dec 10, 2021 at 6:26 AM Toke Høiland-Jørgensen <toke@xxxxxxxxxx> wrote: > > Yihao Han <hanyihao@xxxxxxxx> writes: > > > Fix following swap.cocci warning: > > ./samples/bpf/xdpsock_user.c:528:22-23: > > WARNING opportunity for swap() > > > > Signed-off-by: Yihao Han <hanyihao@xxxxxxxx> > > Erm, did this get applied without anyone actually trying to compile > samples? I'm getting build errors as: Good news: I actually do build samples/bpf nowadays after fixing a bunch of compilation issues recently. Bad news: seems like I didn't pay too much attention after building samples/bpf for this particular patch, sorry about that. I've dropped this patch, samples/bpf builds for me. We should be good now. > > CC /home/build/linux/samples/bpf/xsk_fwd.o > /home/build/linux/samples/bpf/xsk_fwd.c: In function ‘swap_mac_addresses’: > /home/build/linux/samples/bpf/xsk_fwd.c:658:9: warning: implicit declaration of function ‘swap’; did you mean ‘swab’? [-Wimplicit-function-declaration] > 658 | swap(*src_addr, *dst_addr); > | ^~~~ > | swab > > /usr/bin/ld: /home/build/linux/samples/bpf/xsk_fwd.o: in function `thread_func': > xsk_fwd.c:(.text+0x440): undefined reference to `swap' > collect2: error: ld returned 1 exit status > > > Could we maybe get samples/bpf added to the BPF CI builds? :) Maybe we could, if someone dedicated their effort towards making this happen. > > -Toke >